Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679329 | Combined primary and secondary sine bars | Joel E. Di Marco | 1987-07-14 |
| 4238888 | Direct reading micrometer for sine-bar elevation | — | 1980-12-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679329 | Combined primary and secondary sine bars | Joel E. Di Marco | 1987-07-14 |
| 4238888 | Direct reading micrometer for sine-bar elevation | — | 1980-12-16 |