Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586702 | Nitrous oxide system for producing breathing air | — | 2017-03-07 |
| 5509517 | Flying wedge (centripetal retractor) assembly | Roger Eric Berenson, William C. Bowling, Maynard L. Stangeland | 1996-04-23 |