Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182045 | Device for checking involutes and helix angles of gears | Richard Marquardt, Jr. | 1980-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182045 | Device for checking involutes and helix angles of gears | Richard Marquardt, Jr. | 1980-01-08 |