Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836708 | "Self-locking, anti-rotational retaining washer for a ""D"" shaped shaft" | Randall P. Chambers, Donald F. Gatto | 1989-06-06 |
JD
John C. Dzung
Overall (1989): #95,734 of 140,708Top 70%
1
Patents 1989