Inventor · disambiguated record
Robert D. Hirsch
Also filed as: HIRSCH ROBERT · HIRSCH ROBERT D
13 granted patents·1,823 citations·filing 1993–2011
94Inventor score
Technology areasA63B
Top patents by PatentIndex Score
13 records- 0198US8007370B2Metal injection molded putterCOBRA GOLF INC·Filed 2009·Granted Aug 30, 2011·1.2k cites·8 claims
- 0297US7914393B2Golf club head with sound tuningCOBRA GOLF INC·Filed 2008·Granted Mar 29, 2011·102 cites·12 claims
- 0396USD401637SGolf club headCOBRA GOLF INC·Filed 1997·Granted Nov 24, 1998·77 cites·1 claims
- 0496USD353644SGolf club headCOBRA GOLF INC·Filed 1993·Granted Dec 20, 1994·116 cites·1 claims
- 0593US8540587B2Golf club head with sound tuningHIRSCH ROBERT D·Filed 2011·Granted Sep 24, 2013·39 cites·20 claims
- 0693US7022030B2Golf club headACUSHNET CO·Filed 2003·Granted Apr 4, 2006·93 cites·34 claims
- 0785US5375840AGolf club iron set having graded face angles and weight distributionCOBRA GOLF INC II·Filed 1993·Granted Dec 27, 1994·84 cites·16 claims
- 0884USD618743SIron golf club headCOBRA GOLF INC·Filed 2009·Granted Jun 29, 2010·30 cites·1 claims
- 0982USD404783SSole for golf club headCOBRA GOLF INC·Filed 1996·Granted Jan 26, 1999·30 cites·1 claims
- 1059US5813919ADual sole golf club headCOBRA GOLF INC·Filed 1996·Granted Sep 29, 1998·32 cites·20 claims
- 1158US8241145B2Metal injection molded putterHIRSCH ROBERT D·Filed 2011·Granted Aug 14, 2012·1 cites·20 claims
- 1257USD469489SGolf club headACUSHNET CO·Filed 2001·Granted Jan 28, 2003·10 cites·1 claims
- 1331USD469493SBack portion of a golf club headACUSHNET CO·Filed 2001·Granted Jan 28, 2003·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Robert D. Hirsch files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →