| 9421442 |
Golf club screw |
— |
2016-08-23 |
| 9388842 |
Weight screw |
Patrick Dawson, Robert Cruz, Daniel C. Fox, James E. Stevens, Alan C. Bettencourt |
2016-07-12 |
| 8915688 |
Weight screw |
Patrick Dawson, Robert Cruz, Daniel C. Fox, James E. Stevens, Alan C. Bettencourt |
2014-12-23 |
| 8696283 |
Weight screw |
Patrick Dawson, Robert Cruz, Daniel C. Fox, James E. Stevens, Alan C. Bettencourt |
2014-04-15 |
| 7717803 |
C-shaped golf club head |
— |
2010-05-18 |
| 7520820 |
C-shaped golf club head |
— |
2009-04-21 |
| 7147573 |
Golf club head with adjustable weighting |
— |
2006-12-12 |
| 6554722 |
Golf club head |
Joel B. Erickson, Roger Cleveland, Richard C. Helmstetter, Augustin W. Rollinson, Luke R. Williams +3 more |
2003-04-29 |
| 6379263 |
Golf club and weighting system |
Joel B. Erickson, John G. Guard, James F. Dooley, M. Grace Hohn Pimentel |
2002-04-30 |
| 6348012 |
Golf club and weighting system |
Joel B. Erickson, John G. Guard, James F. Dooley, M. Grace Hohn Pimentel |
2002-02-19 |
| 6210290 |
Golf club and weighting system |
Joel B. Erickson, John G. Guard, James F. Dooley, M. Grace Hohn Pimentel |
2001-04-03 |
| 4541152 |
Quick hook-up and release buckling for weight lifter belts |
Joel E. Di Marco |
1985-09-17 |