Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7674186 | Direction and distance correcting golf putter | David M. Bitko, Sheldon S. Bitko, Robert A. Coon | 2010-03-09 |
| 6358162 | Golf putter with green-reading features | David M. Bitko, Sheldon S. Bitko | 2002-03-19 |