Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10559173 | Non-contact voltage detector | — | 2020-02-11 |
| 7905621 | In-grade lighting fixture | Matthew Pressel, Michael Riebling, David A. Smith, Lew Waltz | 2011-03-15 |
| 7494252 | Compact luminaire enclosure | Gerry Thornton, Matthew Pressel, Jesse Wojtkowiak, Gary E. Kehr, Richard A. Groft +5 more | 2009-02-24 |
| 6606824 | Window opening mechanism | Gordon Graham McLean | 2003-08-19 |
| 5322660 | Method of laminating glass | — | 1994-06-21 |
| 5219630 | Fire resistant safety glass | — | 1993-06-15 |
| 5160782 | Wired glass | — | 1992-11-03 |
| 4978405 | Method of manufacturing fire-resistant safety glass | — | 1990-12-18 |
| 4878044 | Glazing unit alarm system | — | 1989-10-31 |
| 4756938 | Lamination of leaded glazing panels | — | 1988-07-12 |
| 4692744 | Glazing unit alarm systems | — | 1987-09-08 |