Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526871 | Precision machinist's square with indicator | — | 2009-05-05 |
| 6164635 | Milling machine bench vise | Donald Chase | 2000-12-26 |
| 5524910 | Independent chuck jaw insert having a registration surface enabling locking at a specific position | R. Lee Chase | 1996-06-11 |
| 5498008 | Chuck jaw locking apparatus for rotatable machine tool | R. Lee Chase | 1996-03-12 |
| 5410768 | Method and apparatus useful for the maintenance of blood circulation | Lewis A. Manson | 1995-05-02 |
| 5197834 | Work piece vice enabling parallel movement in a milling machine | Donald Chase, Robert D. Chase, R. Lee Chase | 1993-03-30 |