Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RG

Robert M. Grace — 26 Patents

MGMacgregor Golf: 19 patents #1 of 12Top 9%
CICobra Golf Incorporated: 6 patents #27 of 93Top 30%
Clearwater, FL: #16 of 932 inventorsTop 2%
Florida: #1,605 of 67,251 inventorsTop 3%
Overall (All Time): #156,152 of 4,157,543Top 4%
26 Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
D596686 Removable putter faceplate 2009-07-21
D578589 Removable putter faceplate 2008-10-14
D577781 Removable putter faceplate 2008-09-30
D575367 Removable putter faceplate 2008-08-19
7390267 Golf club head 2008-06-24
D529564 Portion of a putter 2006-10-03
D528616 Portion of a putter head 2006-09-19
D528177 Portion of a putter head 2006-09-12
D526376 Portion of a putter head 2006-08-08
D523107 Portion of a putter 2006-06-13
7048639 High moment of inertia putter 2006-05-23
D518130 Portion of a putter head 2006-03-28
D513776 Portion of a putter head 2006-01-24
6929559 High moment for inertia putter having three weights 2005-08-16
6896625 High moment of inertia putter having adjustable weights 2005-05-24
D502233 Portion of a golf putter head 2005-02-22
D502234 Portion of a golf putter head 2005-02-22
D502236 Portion of a golf putter head 2005-02-22
6796911 High moment of inertia putter 2004-09-28
6488595 Putter having extra high moment of inertia 2002-12-03
6200229 Strike face of a golf club head with integral indicia and border Harold Max Parker, Jr. 2001-03-13
D431064 Sole portion of a golf club head Harold Max Parker, Jr. 2000-09-19
6102814 Golf putter with an undercut on the back face Harold Max Parker, Jr., Robert S. Dubiel 2000-08-15
D424148 Sole portion of a golf club head Harold Max Parker, Jr. 2000-05-02
D422660 Golf club hosel Harold Max Parker, Jr., Michael K. Maudlin 2000-04-11