Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D933145 | Golf ball | David Bartels, Petra Petrich | 2021-10-12 |
| D931390 | Golf ball | David Bartels, Petra Petrich | 2021-09-21 |
| D928258 | Golf ball | David Bartels, Petra Petrich | 2021-08-17 |
| 11083937 | Method of manufacturing golf club head having stress-reducing features | Evan D. Gibbs, Austin L. Frederickson, Christopher A. G. Nunez, James A. Seluga, Matthew Myers +3 more | 2021-08-10 |
| D927618 | Golf ball | David Bartels, Petra Petrich | 2021-08-10 |
| D927617 | Golf ball | David Bartels, Petra Petrich | 2021-08-10 |
| D924344 | Golf ball | David Bartels, Petra Petrich | 2021-07-06 |
| D921782 | Golf ball | David Bartels, Petra Petrich | 2021-06-08 |
| D921781 | Golf ball | David Bartels, Petra Petrich | 2021-06-08 |
| D921780 | Golf ball | David Bartels, Petra Petrich | 2021-06-08 |
| D921779 | Golf ball | David Bartels, Petra Petrich | 2021-06-08 |
| D921135 | Golf ball | David Bartels, Petra Petrich | 2021-06-01 |
| D921136 | Golf ball | David Bartels, Petra Petrich | 2021-06-01 |