Inventor
GRACE ROBERT M
US26 patents
⚠️ This page may combine multiple inventors who share the name “GRACE ROBERT M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MACGREGOR GOLF CO
19 patentsUS6896625B2May 24, 2005
High moment of inertia putter having adjustable weights
MACGREGOR GOLF CO104 citations98
US6796911B2Sep 28, 2004
High moment of inertia putter
MACGREGOR GOLF CO107 citations98
US7048639B2May 23, 2006
High moment of inertia putter
MACGREGOR GOLF CO50 citations96
US6929559B1Aug 16, 2005
High moment for inertia putter having three weights
MACGREGOR GOLF CO61 citations96
USD502234SFeb 22, 2005
Portion of a golf putter head
MACGREGOR GOLF CO58 citations96
US7390267B2Jun 24, 2008
Golf club head
MACGREGOR GOLF CO55 citations94
USD529564SOct 3, 2006
Portion of a putter
MACGREGOR GOLF CO44 citations92
USD528616SSep 19, 2006
Portion of a putter head
MACGREGOR GOLF CO23 citations92
USD528177SSep 12, 2006
Portion of a putter head
MACGREGOR GOLF CO23 citations92
USD513776SJan 24, 2006
Portion of a putter head
MACGREGOR GOLF CO24 citations92
USD502233SFeb 22, 2005
Portion of a golf putter head
MACGREGOR GOLF CO21 citations92
USD502236SFeb 22, 2005
Portion of a golf putter head
MACGREGOR GOLF CO28 citations92
USD526376SAug 8, 2006
Portion of a putter head
MACGREGOR GOLF CO9 citations74
USD523107SJun 13, 2006
Portion of a putter
MACGREGOR GOLF CO7 citations74
USD596686SJul 21, 2009
Removable putter faceplate
MACGREGOR GOLF CO1 citations63
USD578589SOct 14, 2008
Removable putter faceplate
MACGREGOR GOLF CO2 citations63
USD577781SSep 30, 2008
Removable putter faceplate
MACGREGOR GOLF CO3 citations63
USD518130SMar 28, 2006
Portion of a putter head
MACGREGOR GOLF CO2 citations63
USD575367SAug 19, 2008
Removable putter faceplate
MACGREGOR GOLF CO1 citations52
COBRA GOLF INC
6 patentsUS5924939AJul 20, 1999
Golf club head with a strike face having a first insert within a second insert
COBRA GOLF INC94 citations95
US6200229B1Mar 13, 2001
Strike face of a golf club head with integral indicia and border
COBRA GOLF INC136 citations93
US6102814AAug 15, 2000
Golf putter with an undercut on the back face
COBRA GOLF INC11 citations64
USD422660SApr 11, 2000
Golf club hosel
COBRA GOLF INC12 citations64
USD431064SSep 19, 2000
Sole portion of a golf club head
COBRA GOLF INC2 citations60
USD424148SMay 2, 2000
Sole portion of a golf club head
COBRA GOLF INC1 citations49