Inventor · disambiguated record
John B. Portzer
Also filed as: PORTZER JOHN B
3 granted patents·37 citations·filing 1990–1991
70Inventor score
Files withAG COMMUNICATION SYSTEMS3
Top patents by PatentIndex Score
3 records- 0154US5210934AExtraction tool for high density cable connectorsAG COMMUNICATION SYSTEMS·Filed 1991·Granted May 18, 1993·20 cites·11 claims
- 0239US5040309ADrill collar position verifierAG COMMUNICATION SYSTEMS·Filed 1990·Granted Aug 20, 1991·11 cites·24 claims
- 0332US5175532AOptical drill collar position verifierAG COMMUNICATION SYSTEMS·Filed 1990·Granted Dec 29, 1992·6 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →