Inventor · disambiguated record
William J. Marshall
Also filed as: MARSHALL JR WILLIAM J · MARSHALL WILLIAM J · MARSHALL WILLIAM JEFF
8 granted patents·187 citations·filing 1973–2021
87Inventor score
Files withHANNAN KARL E2SANDERS ASSOCIATES INC2BATTELLE ENERGY ALLIANCE LLC1HARRIS INTERTYPE CORP1RAYTHEON CO1
Top patents by PatentIndex Score
8 records- 0192US4420826AStress relief for flextensional transducerSANDERS ASSOCIATES INC·Filed 1981·Granted Dec 13, 1983·102 cites·5 claims
- 0272US4435794AWall-driven oval ring transducerSANDERS ASSOCIATES INC·Filed 1981·Granted Mar 6, 1984·26 cites·10 claims
- 0367US9057577B2Rifle dry-fire apparatus and methodHANNAN KARL E·Filed 2014·Granted Jun 16, 2015·11 cites·9 claims
- 0466US7719926B2Slotted cylinder acoustic transducerRAYTHEON CO·Filed 2008·Granted May 18, 2010·7 cites·19 claims
- 0564US5769029AAnimal bathing and drying systemFiled 1996·Granted Jun 23, 1998·26 cites·30 claims
- 0663US9207027B1Rifle dry-fire apparatus and methodHANNAN KARL E·Filed 2015·Granted Dec 8, 2015·5 cites·9 claims
- 0756US11699534B2Devices and systems for material transportationBATTELLE ENERGY ALLIANCE LLC·Filed 2021·Granted Jul 11, 2023·0 cites·25 claims
- 0850US3986614ASignature handlingHARRIS INTERTYPE CORP·Filed 1973·Granted Oct 19, 1976·10 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →