Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629657 | High power waveguide RF seal | Robert Boubion, William L. Lange, Stan W. Livingston, Ted C. Schmidt | 1997-05-13 |
| 4611787 | Efficient lightweight hoist with multiple-cable-size traction and safety systems | Marvin M. May, Robert C. Billings, Harry A. Kendall | 1986-09-16 |
| 4555091 | Efficient lightweight hoist with multiple-cable-size traction and safety systems | Marvin M. May, Robert C. Billings, Harry A. Kendall | 1985-11-26 |
| 4207681 | Vehicle measuring bridge | Dirk J. van Dalen, Pierre Legrand | 1980-06-17 |