Inventor · disambiguated record
John Underwood
Also filed as: UNDERWOOD JOHN · UNDERWOOD JOHN V
4 granted patents·215 citations·filing 1992–1997
83Inventor score
Files withUNDERWOOD JOHN2
Top patents by PatentIndex Score
4 records- 0193US5377437ARifle and pistol restFiled 1994·Granted Jan 3, 1995·70 cites·6 claims
- 0292US5311693ARifle and pistol restUNDERWOOD JOHN·Filed 1992·Granted May 17, 1994·68 cites·12 claims
- 0387US5317826ARifle and pistol restUNDERWOOD JOHN·Filed 1993·Granted Jun 7, 1994·46 cites·7 claims
- 0462US5943806AShark gunFiled 1997·Granted Aug 31, 1999·31 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →