Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363577 | Apparatus for converting power chain saw into a boring tool | — | 1982-12-14 |
| 4313125 | Light emitting semiconductor devices | Louis A. Koszi, Norman E. Schumaker | 1982-01-26 |