Inventor · disambiguated record
Richard O. Marsh, Jr.
Also filed as: MARSH JR RICHARD O · MARSH RICHARD O
8 granted patents·427 citations·filing 1975–1996
90Inventor score
Top patents by PatentIndex Score
8 records- 0196US4274665AWedge-tight pipe couplingMARSH JR RICHARD O·Filed 1979·Granted Jun 23, 1981·136 cites·14 claims
- 0296US4053247ADouble sleeve pipe couplerMARSH JR RICHARD O·Filed 1976·Granted Oct 11, 1977·139 cites·22 claims
- 0384US5388470ACentrifugal force drive machineFiled 1993·Granted Feb 14, 1995·51 cites·14 claims
- 0479USD366302SGolf swing alignment matMARSH RICHARD O·Filed 1994·Granted Jan 16, 1996·28 cites·1 claims
- 0566US4537534ADrive fit coupling for precast concrete pilesMARSH JR RICHARD O·Filed 1983·Granted Aug 27, 1985·21 cites·2 claims
- 0663US5697733ACentrifugal force vibration apparatus and systemFiled 1996·Granted Dec 16, 1997·27 cites·20 claims
- 0761US4389763AApparatus for joining pipe sections by jackingMARSH JR RICHARD O·Filed 1980·Granted Jun 28, 1983·17 cites·2 claims
- 0836US3958817ADouble tapered pipe couplingMARSH JR RICHARD O·Filed 1975·Granted May 25, 1976·8 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Richard O. Marsh, Jr. 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 →