Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872814 | Variable displacement compressor passive destroker | Timothy J. Skinner, Joseph L. Spurney | 1989-10-10 |
WM
Weiming Ma
Overall (1989): #45,098 of 140,708Top 35%
1
Patents 1989