Inventor · disambiguated record
Robert M. Grace
Also filed as: GRACE ROBERT M
26 granted patents·4 pending applications·925 citations·filing 1997–2021
97Inventor score
Technology areasA63B
Top patents by PatentIndex Score
30 records- 0196USD502234SPortion of a golf putter headMACGREGOR GOLF CO·Filed 2004·Granted Feb 22, 2005·58 cites·1 claims
- 0296US6796911B2High moment of inertia putterMACGREGOR GOLF CO·Filed 2003·Granted Sep 28, 2004·107 cites·8 claims
- 0394US6896625B2High moment of inertia putter having adjustable weightsMACGREGOR GOLF CO·Filed 2003·Granted May 24, 2005·104 cites·30 claims
- 0492US7390267B2Golf club headMACGREGOR GOLF CO·Filed 2005·Granted Jun 24, 2008·55 cites·21 claims
- 0592US6200229B1Strike face of a golf club head with integral indicia and borderCOBRA GOLF INC·Filed 1999·Granted Mar 13, 2001·136 cites·24 claims
- 0691US6929559B1High moment for inertia putter having three weightsMACGREGOR GOLF CO·Filed 2003·Granted Aug 16, 2005·61 cites·21 claims
- 0790USD529564SPortion of a putterMACGREGOR GOLF CO·Filed 2005·Granted Oct 3, 2006·44 cites·1 claims
- 0889US7048639B2High moment of inertia putterMACGREGOR GOLF CO·Filed 2004·Granted May 23, 2006·50 cites·46 claims
- 0988USD502236SPortion of a golf putter headMACGREGOR GOLF CO·Filed 2004·Granted Feb 22, 2005·28 cites·1 claims
- 1086US5924939AGolf club head with a strike face having a first insert within a second insertCOBRA GOLF INC·Filed 1997·Granted Jul 20, 1999·94 cites·15 claims
- 1185US6488595B1Putter having extra high moment of inertiaFiled 2001·Granted Dec 3, 2002·46 cites·12 claims
- 1283USD502233SPortion of a golf putter headMACGREGOR GOLF CO·Filed 2004·Granted Feb 22, 2005·21 cites·1 claims
- 1378USD513776SPortion of a putter headMACGREGOR GOLF CO·Filed 2005·Granted Jan 24, 2006·24 cites·1 claims
- 1477USD528616SPortion of a putter headMACGREGOR GOLF CO·Filed 2005·Granted Sep 19, 2006·23 cites·1 claims
- 1577USD528177SPortion of a putter headMACGREGOR GOLF CO·Filed 2005·Granted Sep 12, 2006·23 cites·1 claims
- 1659USD422660SGolf club hoselCOBRA GOLF INC·Filed 1999·Granted Apr 11, 2000·12 cites·1 claims
- 1754USD526376SPortion of a putter headMACGREGOR GOLF CO·Filed 2005·Granted Aug 8, 2006·9 cites·1 claims
- 1850US2021402269A1Putter club head with radial faceGRACE ROBERT M·Filed 2021·Application pending·0 cites
- 1949USD523107SPortion of a putterMACGREGOR GOLF CO·Filed 2005·Granted Jun 13, 2006·7 cites·1 claims
- 2046US2020238139A1Putter club head with an adjustable radial faceGRACE ROBERT M·Filed 2020·Application pending·0 cites
- 2143US2003050131A1Variable length putterFiled 2001·Application pending·0 cites
- 2239USD577781SRemovable putter faceplateMACGREGOR GOLF CO·Filed 2007·Granted Sep 30, 2008·3 cites·1 claims
- 2337USD578589SRemovable putter faceplateMACGREGOR GOLF CO·Filed 2007·Granted Oct 14, 2008·2 cites·1 claims
- 2436US2002098908A1Putter heads having enhanced rotational moment of inertia and manufacturing methodFiled 2001·Application pending·0 cites
- 2535USD518130SPortion of a putter headMACGREGOR GOLF CO·Filed 2005·Granted Mar 28, 2006·2 cites·1 claims
- 2634USD596686SRemovable putter faceplateMACGREGOR GOLF CO·Filed 2008·Granted Jul 21, 2009·1 cites·1 claims
- 2734USD431064SSole portion of a golf club headCOBRA GOLF INC·Filed 1999·Granted Sep 19, 2000·2 cites·1 claims
- 2833US6102814AGolf putter with an undercut on the back faceCOBRA GOLF INC·Filed 1998·Granted Aug 15, 2000·11 cites·6 claims
- 2932USD575367SRemovable putter faceplateMACGREGOR GOLF CO·Filed 2007·Granted Aug 19, 2008·1 cites·1 claims
- 3031USD424148SSole portion of a golf club headCOBRA GOLF INC·Filed 1999·Granted May 2, 2000·1 cites·1 claims
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