Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836015 | Method and apparatus for determining the compression ratio of an engine cylinder | — | 1989-06-06 |
MK
Mark K. Krage
Overall (1989): #80,449 of 140,708Top 60%
1
Patents 1989