Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D639249 | Instrument having oblique mounted terminal posts | Richard W. Walker, David W. Farley | 2011-06-07 |
| 7922522 | Instrument having oblique mounted terminal posts | Richard W. Walker, David W. Farley | 2011-04-12 |
| D613251 | Instrument having oblique mounted terminal posts | Richard W. Walker, David W. Farley | 2010-04-06 |