Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653641 | Bowling ball return gate apparatus and method | — | 1997-08-05 |
| 5616084 | Single cycle pin setting apparatus and method | Ralph E. Redman, Lewis W. Slimak, Jr., Sidney Tucker, Dean H. Truesdell | 1997-04-01 |