Inventor
GUARD JOHN G
US22 patents
⚠️ This page may combine multiple inventors who share the name “GUARD JOHN G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALLAWAY GOLF CO
19 patentsUS7048648B2May 23, 2006
Putter-type golf club head with an insert
CALLAWAY GOLF CO154 citations99
US7144335B2Dec 5, 2006
Putter-type golf club head with an insert
CALLAWAY GOLF CO95 citations98
US7115041B2Oct 3, 2006
Putter-type golf club head with an insert
CALLAWAY GOLF CO95 citations98
US6887164B2May 3, 2005
Iron golf club head
CALLAWAY GOLF CO88 citations98
US6336869B1Jan 8, 2002
Multiple material golf club head with a polymer insert face
CALLAWAY GOLF CO99 citations98
US6238302B1May 29, 2001
Golf club head with an insert having integral tabs
CALLAWAY GOLF CO219 citations98
US6210290B1Apr 3, 2001
Golf club and weighting system
CALLAWAY GOLF CO309 citations98
US6554722B2Apr 29, 2003
Golf club head
CALLAWAY GOLF CO101 citations97
US6348012B1Feb 19, 2002
Golf club and weighting system
CALLAWAY GOLF CO90 citations97
US6893358B2May 17, 2005
Putter-type golf club head with an insert
CALLAWAY GOLF CO93 citations96
US6478690B2Nov 12, 2002
Multiple material golf club head with a polymer insert face
CALLAWAY GOLF CO142 citations96
US6379263B2Apr 30, 2002
Golf club and weighting system
CALLAWAY GOLF CO53 citations95
US6273832B1Aug 14, 2001
Combination golf club with an insert and golf ball
CALLAWAY GOLF CO40 citations95
US7540990B1Jun 2, 2009
Cross-linked thermoplastic polyurethane/polyurea and method of making same
CALLAWAY GOLF CO21 citations93
US7070516B2Jul 4, 2006
Insert for golf club head
CALLAWAY GOLF CO24 citations93
US6971960B2Dec 6, 2005
Insert for golf club head
CALLAWAY GOLF CO42 citations93
US7250008B2Jul 31, 2007
Iron golf club
CALLAWAY GOLF CO16 citations92
US6632391B1Oct 14, 2003
Method for manufacturing a golf club head with an insert having integral tabs
CALLAWAY GOLF CO16 citations92
US8003747B2Aug 23, 2011
Cross-linked thermoplastic polyurethane/polyurea and method of making same
CALLAWAY GOLF CO2 citations63