Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147348 | Emergency lighting fixture having adjustable reflector and lamp assembly | Thomas K. Heaton, Marilyn R. Merced, Ana Bermudez, Catherine R. Washburn | 2006-12-12 |
| 7093957 | Adjustable double-arcuate reflector for an emergency lighting fixture | Thomas K. Heaton, Marilyn R. Merced, Ana Bermudez, Catherine R. Washburn | 2006-08-22 |
| 6594010 | Emission spectrometer having a charge coupled device detector | Mark Leonard Malczewski, Wayne D. Martin | 2003-07-15 |
| 6280042 | Emergency lighting device | Jeff Holmes, Milt Erickson | 2001-08-28 |
| D441475 | Housing of emergency lighting fixture | Joseph M. LaRosa | 2001-05-01 |
| D426334 | Emergency lighting fixture | Joseph M. LaRosa | 2000-06-06 |
| 6045242 | Lighting fixture | Joseph M. LaRosa | 2000-04-04 |
| 6043881 | Sample cell for gaseous emission spectroscopy | Mark Leonard Malczewski | 2000-03-28 |
| 6019477 | Emergency lighting device | Jeff Holmes, Milt Erickson | 2000-02-01 |
| D406863 | Panel for an exit sign having a curved face | David Evarts, John E. Studer | 1999-03-16 |
| D406279 | Combination emergency lighting device and exit sign | Joseph M. LaRosa, Richard Diachenko, David Evarts, John E. Studer | 1999-03-02 |
| D402316 | Sign having a curved face | David Evarts, John E. Studer | 1998-12-08 |
| 5685098 | Snap tab arrangement for covering and uncovering a sign apparatus directional indicator | — | 1997-11-11 |
| D357997 | Fixed lens emergency lighting unit | Charles R. Ruskouski, Donald Crescenzi | 1995-05-02 |
| D344983 | Exit sign | — | 1994-03-08 |
| D344293 | Insert for exit signs | — | 1994-02-15 |
| D314750 | Male electrical connector | Robert M. Johnstone | 1991-02-19 |
| D314751 | Female electrical connector | Robert M. Johnstone | 1991-02-19 |
| 4885474 | Connector assembly for plug-in energization and battery activation of an associated electrical apparatus | Robert M. Johnstone | 1989-12-05 |