Issued Patents All Time
Showing 101–125 of 281 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9108096 | Portable electronic device holders and methods to manufacture portable electronic device holders | Olly Eades, Les J. Bryant, Martin R. Jertson | 2015-08-18 |
| D735283 | Golf club head | Ryan M. Stokke | 2015-07-28 |
| 9033812 | Golf club head and method of manufacturing golf club head | Michael R. Nicolette | 2015-05-19 |
| 9017186 | Club heads with multiple density weighting and methods of manufacturing the same | Martin R. Jertson | 2015-04-28 |
| 9015918 | Golf club head with grooves and method of manufacture | — | 2015-04-28 |
| 8900066 | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs | Brandon L. Fossum, Marty R. Jertson, Bradley D. Schweigert | 2014-12-02 |
| 8852029 | Golf handicap systems and methods to calculate a golf handicap | Michael R. Kuettner, John C. Bliss, Dave Van Engelhoven | 2014-10-07 |
| 8833864 | Collapsible wheels and methods of making collapsible wheels | Eric V. Cole | 2014-09-16 |
| 8814720 | Golf club heads with grooves and methods of manufacture | David L. Petersen | 2014-08-26 |
| 8790196 | Golf club heads with apertures and methods to manufacture golf club heads | Eric J. Morales, Erik M. Henrikson, Eric V. Cole, Paul D. Wood, Bradley D. Schweigert +2 more | 2014-07-29 |
| 8777778 | Golf club heads with apertures and methods to manufacture golf club heads | Eric J. Morales, Erik M. Henrikson, Eric V. Cole, Paul D. Wood, Brad D. Schweigert +1 more | 2014-07-15 |
| 8764578 | Grooves of golf club heads and methods to manufacture grooves of golf club heads | David L. Petersen | 2014-07-01 |
| 8753230 | Club head sets with varying characteristics | Ryan M. Stokke, Marty R. Jertson, Michael R. Nicolette | 2014-06-17 |
| D697153 | Collar clamp for sports equipment | Brandon L. Fossum, Bradley D. Schweigert | 2014-01-07 |
| 8602911 | Golf club heads with grooves and methods of manufacture | — | 2013-12-10 |
| 8578980 | Groove forming machine for manufacturing golf club head | David L. Petersen, Michael Jakubowski | 2013-11-12 |
| 8529381 | Divot tools and methods of making divot tools | Eric V. Cole, Jake Fife | 2013-09-10 |
| D687503 | Golf club head | Ryan M. Stokke, Xiaojian Chen | 2013-08-06 |
| 8496539 | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs | Brandon L. Fossum, Marty R. Jertson, Bradley D. Schweigert | 2013-07-30 |
| 8449405 | Club heads with multiple density weighting and methods of manufacturing the same | Marty R. Jertson | 2013-05-28 |
| D680179 | Golf club head | Bradley D. Schweigert, Michael R. Nicolette, Xiaojian Chen | 2013-04-16 |
| 8419564 | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs | Brandon L. Fossum, Marty R. Jerson, Bradley D. Schweigert | 2013-04-16 |
| D678967 | Collar clamp for sports equipment | Brandon L. Fossum, Bradley D. Schweigert | 2013-03-26 |
| 8382608 | Golf club head with grooves and method of manufacture | — | 2013-02-26 |
| D675271 | Golf club grip | David D. Jones, Xiaojian Chen, Marty R. Jertson | 2013-01-29 |