Inventor · disambiguated record
John S. Marshall
Also filed as: MARSHALL JOHN S · MARSHALL JOHN STEPHEN
2 granted patents·2 pending applications·12 citations·filing 1976–2016
56Inventor score
Top patents by PatentIndex Score
4 records- 0137US4062374AHydraulic valves and hydraulic systemsSPERRY RAND LTD·Filed 1976·Granted Dec 13, 1977·8 cites·7 claims
- 0235USD757948SPortable clinical cervical traction deviceHOLLYWOG LLC·Filed 2014·Granted May 31, 2016·4 cites·1 claims
- 0330US2016151193A1Portable cervical traction device with suspension head halterHOLLYWOG LLC·Filed 2016·Application pending·0 cites
- 0427US2016015549A1Portable cervical traction deviceHOLLYWOG LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →