Prelco Inc. Acquires License from Research Frontiers to Make and Market SPD-Smart™ Architectural, Bus and Train Smart Window Products

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Riviere-du-Loup, Quebec, Canada, and Woodbury, NY, USA – April 12, 2004. Prelco Inc. has acquired a non-exclusive license from Research Frontiers Incorporated (Nasdaq: REFR) to manufacture and sell SPD-Smart™ window products in Canada, Mexico, and the United States.
The license is for SPD-Smart architectural products such as residential and commercial windows, skylights and interior partitions. In addition the license covers SPD-Smart bus and train products including windows and sunroofs. The license provides for a 10% royalty to Research Frontiers on sales of licensed products.
In a window, sunroof, or other product using SPD-Smart™ technology, the user can manually or automatically “tune” the amount of light, glare and heat coming into a home, office, or vehicle. As a quality-of-life enabling technology, SPD-Smart products give users greater control over their environment, improved safety and security, and various aesthetic benefits such as the ability to control light and glare without shades or blinds blocking one’s view. Functional benefits include savings on heating and cooling expenses, and reduced fading of fabrics and artwork.
Information about VaryFast™ SPD-Smart products can be found at
About Prelco Inc.
With headquarters in Rivere-du-Loup, Quebec, Canada, Prelco Inc. is a leading manufacturer of specialty glass for architectural design, industrial, and transportation applications. Prelco has 50 years of manufacturing experience with a commitment to research and technological development. Prelco manufactures specialty glass products such as tempered, heat soaked, laminated, bent, ceramic frit, silkscreened glass and IG units.
Prelco has:
•4 production facilities:
+ Prelco RDL, Rivière-du-Loup, Québec, Canada
+ Prelco NB, Edmunston , New-Brunswick, Canada
+ Prelco MTL, (Thermalite division) Montréal, Québec, Canada
+ Veralex 2000, Princeville, Québec, Canada
•275,000 square feet of production facilities
•450 employees
•ISO 9001 Registered Management System
•Engineers & Technicians in Research and Development Department
•State of the art equipment
About SPD Technology and Research Frontiers Incorporated
Research Frontiers Incorporated (RFI) develops and licenses suspended particle device (SPD) technology used in VaryFastÔ SPD-Smart™ light-control glass and plastic products. SPD technology, made possible by a flexible light-control film invented by RFI, allows the user to instantly and precisely control the shading of glass/plastic manually or automatically. SPD technology has numerous product applications, including: SPD-Smart windows, sunshades, skylights and interior partitions for homes and buildings; automotive windows, sunroofs, sun-visors, sunshades, rear-view mirrors, instrument panels and navigation systems; aircraft windows; eyewear products; and flat panel displays for electronic products. SPD-Smart film technology has been awarded a “Best of What’s New Award” from Popular Science magazine for home technology and was also named by the Society of Automotive Engineers’ Aerospace Engineering magazine as one of the top new technologies for 2002. SPD technology is covered by over 400 patents and patent applications held by RFI worldwide. Currently 32 companies are licensed to use RFI’s patented SPD light-control technology in emulsions, film, or end products. Information about RFI and its licensees can be found at
Note: From time to time Research Frontiers may issue forward-looking statements which involve risks and uncertainties. This press release contains forward looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Actual results could differ and are not guaranteed. Any forward-looking statements should be considered accordingly. SPD-Smart™, VaryFast™, Powered by SPD™, The View of the Future – Everywhere You Look™ and Visit – to change your view of the world™ are trademarks of Research Frontiers Incorporated.
Prelco Inc.
Bill Marchitello, Marketing and Market Development Corporate Director
Tel. 514-640-1122 #115

Research Frontiers Incorporated
Joseph M. Harary, President
Patricia A. Bryant, Manager of Investor Relations

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