Inventor · disambiguated record
Stephen G. Corthell
Also filed as: CORTHELL STEPHEN G
4 granted patents·21 citations·filing 1988–1993
73Inventor score
Technology areasB21J
Files withNAT MACHINERY CO4
Top patents by PatentIndex Score
4 records- 0135US4910993AProgressive former and method of producing sameNAT MACHINERY CO·Filed 1988·Granted Mar 27, 1990·5 cites·23 claims
- 0233US5138866AProgressive former and method of producing sameNAT MACHINERY CO·Filed 1991·Granted Aug 18, 1992·6 cites·4 claims
- 0332US5363686AProgressive formerNAT MACHINERY CO·Filed 1993·Granted Nov 15, 1994·6 cites·4 claims
- 0430US5263356AProgressive former and method of producing sameNAT MACHINERY CO·Filed 1992·Granted Nov 23, 1993·4 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →