Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997189 | Putting teaching and learning apparatus and method | — | 1991-03-05 |
| 4919428 | Golf putter with blade tracking, twist prevention and alignment transfer structure, alignment maintaining structures, and audible impact features | — | 1990-04-24 |
| D295206 | Golf club head | — | 1988-04-12 |
| D295205 | Putter head | — | 1988-04-12 |
| D294617 | Ball flight on golf club head | — | 1988-03-08 |
| 4607846 | Golf club heads with adjustable weighting | — | 1986-08-26 |
| 4456257 | Golf club swing training device | — | 1984-06-26 |
| D272257 | Combined golf putter hosel and alignment indicator | — | 1984-01-17 |
| 4231576 | Golf club head alignment apparatus | — | 1980-11-04 |