Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5115342 | Laminar flow dust shield for wide angle lens | William R. Sweeney | 1992-05-19 |
| 4657144 | Method and apparatus for detecting and removing foreign material from a stream of particulate matter | Peter Martin, Avis N. Wyatt, Jr., Hector Alonso, Robert S. Southard, Stephen G. Zimmermann | 1987-04-14 |