JG

John G. Guard

CG Callaway Golf: 21 patents #66 of 359Top 20%
Overall (All Time): #197,938 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8003747 Cross-linked thermoplastic polyurethane/polyurea and method of making same Pijush Dewanjee 2011-08-23
7785522 Cross-linked thermoplastic polyurethane/polyurea and method of making same Pijush Dewanjee 2010-08-31
7540990 Cross-linked thermoplastic polyurethane/polyurea and method of making same Pijush Dewanjee 2009-06-02
7417094 Cross-linked thermoplastic polyurethane/polyurea and method of making same Pijush Dewanjee 2008-08-26
7250008 Iron golf club Pijush Dewanjee, Chris J. Wieland, Karl A. Clausen, Uday V. Deshmukh, Jesse Bolane +4 more 2007-07-31
7144335 Putter-type golf club head with an insert Joshua G. Breier, Wayne H. Byrne, Augustin W. Rollinson, Ronald K. Hettinger, Pijush Dewanjee +3 more 2006-12-05
7115041 Putter-type golf club head with an insert Joshua G. Breier, Wayne H. Byrne, Augustin W. Rollinson, Ronald K. Hettinger, Pijush Dewanjee +3 more 2006-10-03
7070516 Insert for golf club head Pijush Dewanjee 2006-07-04
7048648 Putter-type golf club head with an insert Joshua G. Breier, Wayne H. Byrne, Augustin W. Rollinson, Ronald K. Hettinger, Pijush Dewanjee +3 more 2006-05-23
6971960 Insert for golf club head Pijush Dewanjee 2005-12-06
6893358 Putter-type golf club head with an insert Pijush Dewanjee, Herbert Reyes, Bart R. Fliers, David B. McGrath, Ronald K. Hettinger +2 more 2005-05-17
6887164 Iron golf club head Pijush Dewanjee, Chris J. Wieland, Karl A. Clausen, Uday V. Deshmukh, Jesse Bolane +4 more 2005-05-03
6632391 Method for manufacturing a golf club head with an insert having integral tabs Richard C. Helmstetter, Augustin W. Rollinson, James F. Dooley, Victor S. Dennis, Pijush Dewanjee 2003-10-14
6554722 Golf club head Joel B. Erickson, Roger Cleveland, Richard C. Helmstetter, Augustin W. Rollinson, Luke R. Williams +3 more 2003-04-29
6478690 Multiple material golf club head with a polymer insert face Richard C. Helmstetter, Ronald K. Hettinger, J. Neil Hall, Augustin W. Rollison, Kamal Sarkar +2 more 2002-11-12
6379263 Golf club and weighting system Joel B. Erickson, James F. Dooley, M. Grace Hohn Pimentel, Thomas J. DiMarco 2002-04-30
6348012 Golf club and weighting system Joel B. Erickson, James F. Dooley, M. Grace Hohn Pimentel, Thomas J. DiMarco 2002-02-19
6336869 Multiple material golf club head with a polymer insert face Ronald K. Hettinger, Richard C. Helmstetter, J. Neil Hall, Augustin W. Rollinson, Kamal Sarkar +2 more 2002-01-08
6328661 Multiple material golf club head with a polymer insert face Richard C. Helmstetter, Ronald K. Hettinger, J. Neil Hall, Augustin W. Rollison, Kamal Sarkar +2 more 2001-12-11
6273832 Combination golf club with an insert and golf ball Richard C. Helmstetter, Augustin W. Rollinson, James F. Dooley, Victor S. Dennis, Pijush Dewanjee 2001-08-14
6238302 Golf club head with an insert having integral tabs Richard C. Helmstetter, Augustin W. Rollinson, James F. Dooley, Victor S. Dennis, Pijush Dewanjee 2001-05-29
6210290 Golf club and weighting system Joel B. Erickson, James F. Dooley, M. Grace Hohn Pimentel, Thomas J. DiMarco 2001-04-03