Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507954 | Mechanical visual protector for welding application | — | 2003-01-21 |
| 4967000 | Spherical nitroguanidine process | Edward L. Roemer, Lawrence A. Stretz | 1990-10-30 |
| D268764 | Wrist-worn disk camera | Bernard A. Seckendorf | 1983-04-26 |