Inventor · disambiguated record
J. Frank Helderman
Also filed as: HELDERMAN J F · HELDERMAN J FRANK
3 granted patents·113 citations·filing 1982–1993
75Inventor score
Top patents by PatentIndex Score
3 records- 0184US4536115AAnchor apparatus for insertion into a pre-formed holeHELDERMAN J FRANK·Filed 1982·Granted Aug 20, 1985·62 cites·21 claims
- 0267US5366328AAssembly for inserting an attachment coil in concreteHELDERMAN J F·Filed 1993·Granted Nov 22, 1994·32 cites·38 claims
- 0348US4635337AMethod for removable anchor apparatusHELDERMAN J FRANK·Filed 1985·Granted Jan 13, 1987·19 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →