| 6632391 |
Method for manufacturing a golf club head with an insert having integral tabs |
Richard C. Helmstetter, Augustin W. Rollinson, John G. Guard, James F. Dooley, Pijush Dewanjee |
2003-10-14 |
| 6409612 |
Weighting member for a golf club head |
D. Clayton Evans, Donald A. Bistline |
2002-06-25 |
| 6273832 |
Combination golf club with an insert and golf ball |
Richard C. Helmstetter, Augustin W. Rollinson, John G. Guard, James F. Dooley, Pijush Dewanjee |
2001-08-14 |
| 6238302 |
Golf club head with an insert having integral tabs |
Richard C. Helmstetter, Augustin W. Rollinson, John G. Guard, James F. Dooley, Pijush Dewanjee |
2001-05-29 |
| 5776010 |
Weight structure on a golf club head |
Richard C. Helmstetter, Thomas R. Hilton, Donald A. Bistline |
1998-07-07 |
| D393035 |
Iron-type golf club head |
Donald A. Bistline, Richard C. Helmstetter, Thomas R. Hilton, Bruce A. Parker |
1998-03-31 |
| D393034 |
Iron-type golf club head |
Thomas R. Hilton, Richard C. Helmstetter, Donald A. Bistline, Bruce A. Parker |
1998-03-31 |
| D393036 |
Iron type golf club head |
Richard C. Helmstetter, Donald A. Bistline, Thomas R. Hilton |
1998-03-31 |
| 4573823 |
Adjustable pass-through joint |
— |
1986-03-04 |
| 4508466 |
Lockable telescopic joint |
— |
1985-04-02 |