Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616084 | Single cycle pin setting apparatus and method | Will Heddon, Ralph E. Redman, Sidney Tucker, Dean H. Truesdell | 1997-04-01 |
| 4930886 | Opaque adapter for overhead projector | Richard E. Williams | 1990-06-05 |