Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767609 | Perforated film constructions for backlit signs | Ellen O. Aeling | 2004-07-27 |
| 6641880 | Signage having films to reduce power consumption and improve luminance uniformity and method for using same | Frank L. Deyak, Ellen O. Aeling, Andrew J. Ouderkirk, Michael F. Weber, David G. Freier | 2003-11-04 |
| 6416201 | Illuminated sign with lamp masks for uniform illumination | David G. Freier, Ellen O. Aeling | 2002-07-09 |
| 6282821 | Low-loss face diffuser films for backlit signage and methods for using same | David G. Freier, Scott R. Kaytor, Frank L. Deyak | 2001-09-04 |
| 5976686 | Diffuse reflective articles | Scott R. Kaytor, Kenneth A. Epstein, John Christopher Harvey, Stephen J. Pojar, Clinton P. Waller, Jr. +2 more | 1999-11-02 |
| 5462768 | Screen printing process using water-based chemical composition | Ronald R. Adkins, Charles J. Fabbrini | 1995-10-31 |
| 4791540 | Light fixture providing normalized output | John F. Dreyer, Jr. | 1988-12-13 |