Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811567 | Method for testing the operability of a refrigerant system | William Henry Mapes, III | 1989-03-14 |
SB
Stephen M. Bakanowski
Overall (1989): #55,966 of 140,708Top 40%
1
Patents 1989