Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691959 | Stylus position digitizer using acoustic waves | James A. Kriewall, Edwin F. Johnson, Alan Robert Selfridge, John Fairbanks, Robert William Parry +1 more | 1997-11-25 |
| 4538585 | Dynamic ignition apparatus | Leonard E. Arguello, Lawrence M. Blaser | 1985-09-03 |