Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674017 | Plastic PAR lamp construction | James M. Hanson | 1987-06-16 |
| 4658178 | Plastics skirt for rigidly interconnecting metallic base and glass envelope of a lamp | Paul A. Moore | 1987-04-14 |
| 4555748 | Truncated motor vehicle headlamp | — | 1985-11-26 |
| 4468071 | Double latch snap lock base for annular fluorescent lamps | Gerald W. Povall | 1984-08-28 |
| 4372794 | Plastic PAR lamp construction | Vincent Vodicka | 1983-02-08 |
| 4344120 | Plastic PAR lamp construction with tapered reinforcement | James M. Hanson | 1982-08-10 |
| 4338708 | Lamp assembly method | James M. Hanson | 1982-07-13 |
| 4339790 | Sealed prefocused mount for plastic par lamp | James M. Hanson, Martin Graf | 1982-07-13 |
| 4336578 | Plastic par lamp construction with reinforced recepticle area | Vincent Vodicka | 1982-06-22 |
| 4287448 | Mechanical stop means for a prefocused plastic PAR lamp | — | 1981-09-01 |
| 4282565 | Sealed, prefocused mount for plastic PAR lamp | James M. Hanson | 1981-08-04 |
| 4281370 | Swivel base lighting fixture | John H. Masenheimer | 1981-07-28 |
| 4280173 | Heat shield for plastic headlamp | Vincent Vodicka | 1981-07-21 |