Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662312 | Pressurized sheave mechanism for high pressure wireline service | Henry H. Leggett | 1997-09-02 |
RG
Russell C. Gilleylen
Overall (1997): #82,373 of 185,788Top 45%
1
Patents 1997