Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887537 | External fixation system | Joseph Ferrante, Anthony James, David W. Castleman, Gene Edward Austin, Kelley N. Grusin | 2011-02-15 |
| 7048735 | External fixation system | Joseph Ferrante, Anthony James, David W. Castleman, Ed Austin | 2006-05-23 |
| 4468059 | Bolt unit for a lockset | James R. Allison | 1984-08-28 |
| 4343502 | Doorknob construction | — | 1982-08-10 |
| D259253 | Display box | — | 1981-05-19 |