Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11990736 | Flush mountable electrical apparatus | Matthew James Gow | 2024-05-21 |
| 11195438 | Light fixture sign | — | 2021-12-07 |
| 10984689 | Light fixture sign | — | 2021-04-20 |
| 10643506 | Light fixture sign | — | 2020-05-05 |
| 10395569 | Light fixture sign | — | 2019-08-27 |
| 10049604 | Light fixture sign | — | 2018-08-14 |
| 8912944 | Human presence detector suitable for concealment and using a shaped microwave beam | Edward L. Schwarz | 2014-12-16 |
| 8471407 | Spring-powered emergency electrical supply | Edward L. Schwarz | 2013-06-25 |
| 8469556 | Extending emergency light with a recessed, covered storage cavity | — | 2013-06-25 |
| 8217264 | Electrical outlet covering accessory movable between positions concealing and allowing access to the outlet | — | 2012-07-10 |
| 7314094 | Concealed cover for a fire sprinkler head | Matthew James Gow | 2008-01-01 |
| 6763624 | Sign apparatus | — | 2004-07-20 |
| 6097279 | Retractable tamper resistant annunciator | — | 2000-08-01 |
| 5682131 | Retractable tamper resistant annunciator | — | 1997-10-28 |
| 5657981 | Sheet separating apparatus for removing sheets one-by-one from at least one stack of sheets | Kenneth Kelly, Adam J. Crighton, George Petrie, Robert Suttie, Robert James Petrie +1 more | 1997-08-19 |
| 5475562 | Structure for cooling an equipment enclosure | — | 1995-12-12 |
| 5025349 | Emergency lighting fixture | — | 1991-06-18 |