Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566936 | Electronic table tennis game | Charles W. McDonald | 1996-10-22 |
| 5485995 | Robot table tennis ball server assembly | — | 1996-01-23 |
| 5383658 | Robot table tennis net and server assembly | — | 1995-01-24 |
| 5335905 | Robot table tennis net and server assembly | — | 1994-08-09 |
| 5009421 | Table tennis ball serving device | Gary Gatchel, Gordon E. Lynn | 1991-04-23 |
| 4917380 | Table tennis ball serving device | Gary Gatchel, Gordon E. Lynn | 1990-04-17 |
| 4854588 | Table tennis ball serving device | Gary Gatchel, Gordon E. Lynn | 1989-08-08 |
| 4844458 | Table tennis ball serving device | Gary Gatchel, Gordon E. Lynn | 1989-07-04 |