Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702204 | Apparatus for connecting and aligning frame member sections of a trench | — | 1997-12-30 |
| 5653553 | Drainage channel and associated method | — | 1997-08-05 |
| 5647689 | Drainage channel grates for athletic playing surfaces and associated methods | — | 1997-07-15 |
| 5647692 | Edge adapter for athletic playing surface and associated method | — | 1997-07-15 |
| 5645367 | Drainage system having an embedded conduit connector | — | 1997-07-08 |