Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642933 | Light source structure for signal indication lamp | — | 1997-07-01 |
| 4577178 | Reflection type flow-flashing light | — | 1986-03-18 |
| 4231078 | Beam-rotary lamp | — | 1980-10-28 |
| 4229781 | Beam-rotary lamp | — | 1980-10-21 |