Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452191 | Multiple cell radiation detector system, and method, and submersible sonde | Larry O. Johnson, Charles V. McIsaac, Ervin G. Grafwallner | 2002-09-17 |
| 4930749 | Staple remover with adjustable leverage | — | 1990-06-05 |