Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D879378 | Nail polish conditioner | Andrew Liddell, David Simmons | 2020-03-24 |
| 10223932 | Trainer hand with releasable nail | David Simmons | 2019-03-05 |
| D799119 | Trainer hand | David Simmons | 2017-10-03 |
| 6488506 | Training aid for application of false nails | David Simmons | 2002-12-03 |
| 6098665 | Method and apparatus for lining a conduit | — | 2000-08-08 |
| 5626352 | Collapsible and foldable cart having a stabilization member | — | 1997-05-06 |
| 4950356 | Method of and apparatus for lining pipes | — | 1990-08-21 |
| 4741795 | Method of and apparatus for lining pipes | James C. Grace | 1988-05-03 |