Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374691 | In-situ hydraulic treatment conduit | — | 2008-05-20 |
| D268414 | Lathe chuck | Ralph A. Heineman | 1983-03-29 |
| 4279553 | Machine tool column mount | — | 1981-07-21 |
| D257678 | Lathe | Ralph A. Heineman | 1980-12-23 |
| D257679 | Drill press and mount therefor | Ralph A. Heineman | 1980-12-23 |