Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855583 | Structure and method of making combination proximity/insertion identification cards | Steven A. Fraser, Reece D. Metzger | 1989-08-08 |
| 4815749 | Shaft and like oil seals | — | 1989-03-28 |
| 4799693 | Face seals with liquid pulsation pumping feature | — | 1989-01-24 |