Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11986310 | Olfactory test systems and methods | David W. Smith, Richard D. Michelli, Edward Karwacki | 2024-05-21 |
| 10980467 | Apparatus, method, and system for testing human olfactory systems | David W. Smith, Jesse Samuel Eberdt, III, Richard D. Michelli, William Linwood Douglas Townsend, JR., Edward Karwacki | 2021-04-20 |
| 9415647 | Adjustable height hitch apparatus | — | 2016-08-16 |
| 9283821 | Hitch coupler receiving apparatus | — | 2016-03-15 |
| 8905424 | Articulating hitch apparatus for vehicles | Thomas M. Williams, Jr. | 2014-12-09 |
| 8798842 | Trailer hitch alignment systems and methods | Gregory S. Hopper | 2014-08-05 |
| 8678421 | Articulating hitch apparatus for vehicles | Thomas M. Williams, Jr. | 2014-03-25 |