Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934007 | Deck tilting device | — | 1990-06-19 |
| 4630468 | Viscometer | — | 1986-12-23 |
| 4583393 | Ultrasonic density meter with damping | — | 1986-04-22 |
| 4548080 | Method and apparatus for soil mechanics measurements of filter cakes | — | 1985-10-22 |
| 4440048 | Fastener driving device with multiple bits | Larry G. H. Stevens, Franklin V. Vresk | 1984-04-03 |
| 4327790 | Fastener driving device with multiple bits | Larry G. H. Stevens, Franklin V. Vresk | 1982-05-04 |
| 4319138 | Housing for turbidimeter sensor | — | 1982-03-09 |