Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599452 | Chemical process | Howard Matthew Colquhoun | 1986-07-08 |
| 4458433 | Desk calendar | — | 1984-07-10 |
| 4214185 | Light sources | — | 1980-07-22 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599452 | Chemical process | Howard Matthew Colquhoun | 1986-07-08 |
| 4458433 | Desk calendar | — | 1984-07-10 |
| 4214185 | Light sources | — | 1980-07-22 |