Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304303 | Container cap | Gates Moss | 1989-10-31 |
| 4832069 | Tapping subterranean pipes | John C. Gale, Howard J. Lang | 1989-05-23 |
CH
Charles Hurst
Water Research Centre: 1 patents #1 of 3Top 35%
Overall (1989): #30,126 of 140,708Top 25%
2
Patents 1989