Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839248 | System and method for depassivating a passivated lithium battery in a battery powered microprocessor controlled device | Roy P. Moeller, Phillip S. Palmer, Gary L. Smith | 1989-06-13 |
| 4820129 | Pressure measurement in fluid pump systems | — | 1989-04-11 |