Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803896 | Marine gear casing | — | 1989-02-14 |
RM
Richard A. MacGregor
Overall (1989): #137,786 of 140,708Top 100%
1
Patents 1989