Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368417 | Captive carrier for a transport tube system | Edward R. Gralinski, Robert D. Smith, Victor J. Vogel | 1994-11-29 |
| 4413221 | Method and circuit for determining battery capacity | Robert H. Heil | 1983-11-01 |
| 4311211 | Service system | Paul M. Leah | 1982-01-19 |