Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691443 | Drive-in, drive-out vehicle alignment system | Harold F. Hamilton | 1987-09-08 |
| 4663855 | Drive-in, drive-out vehicle alignment system | Harold F. Hamilton | 1987-05-12 |
| 4630380 | Hole gauge | — | 1986-12-23 |
| 4598481 | Intersecting laser alignment apparatus and method | — | 1986-07-08 |
| 4232997 | Method and apparatus for controlling compressors | John E. Grimmer | 1980-11-11 |