Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D403790 | Luminaire | — | 1999-01-05 |
| D403791 | Luminaire | — | 1999-01-05 |
| D402386 | Luminaire | — | 1998-12-08 |
| D399328 | Luminaire | — | 1998-10-06 |
| D395724 | Luminaire | — | 1998-06-30 |
| D394724 | Luminaire | — | 1998-05-26 |
| D391657 | Luminaire | — | 1998-03-03 |
| D391658 | Luminaire | — | 1998-03-03 |
| D389262 | Luminaire | — | 1998-01-13 |
| D381763 | Wall mounted luminaire | — | 1997-07-29 |
| D381762 | Wall mounted luminaire | — | 1997-07-29 |
| D370544 | Wall mounted luminaire | — | 1996-06-04 |
| 5486989 | Luminaire with modular louver shields | — | 1996-01-23 |
| D361400 | Parking garage luminaire | — | 1995-08-15 |
| D358898 | Exterior luminaire | — | 1995-05-30 |
| D343021 | Concealed landscape luminaire | Thomas F. Steinkraus | 1994-01-04 |
| D338736 | Concealed landscape luminaire | Thomas F. Steinkraus | 1993-08-24 |
| D323897 | Luminaire | — | 1992-02-11 |
| D313482 | Luminaire | — | 1991-01-01 |
| D312890 | Luminaire | — | 1990-12-11 |
| 4856103 | Luminaire with different asymmetry along two horizontal axes | — | 1989-08-08 |
| D298656 | Floodlight housing | — | 1988-11-22 |
| 4706331 | Security hinges and junction boxes for lamp housings | — | 1987-11-17 |
| 4639843 | Luminaire | — | 1987-01-27 |
| 4231080 | Luminaire with reflecting louvers | — | 1980-10-28 |