Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811567 | Method for testing the operability of a refrigerant system | Stephen M. Bakanowski | 1989-03-14 |
WI
William Henry Mapes, III
Overall (1989): #43,721 of 140,708Top 35%
1
Patents 1989