Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395115 | Golfing facility | John Taylor Garner | 1995-03-07 |
| 4955752 | Cover assembly with a locking mechanism | — | 1990-09-11 |
| 4936703 | Frame for a covering for an opening protected by a cover or grating | — | 1990-06-26 |
| 4909660 | Grating with a locking mechanism | — | 1990-03-20 |
| 4861186 | Covering for an opening with a cover or grating placed in a frame | — | 1989-08-29 |
| 4549833 | Frame members for supporting covers or gratings | — | 1985-10-29 |
| 4508470 | Manhole/access cover and frame assemblies | — | 1985-04-02 |
| 4498804 | Manhole/access cover and frame assemblies | — | 1985-02-12 |
| 4483110 | Methods of installing frames for access pits and manholes | — | 1984-11-20 |