Individual holder

HELDERMAN JAMES F

US·2 granted patents·40 citations·filing 1979–1989

Individually held — no corporate assignee on record.

Technology mixE04B1 E04G1 F16B1

Top patents by PatentIndex Score

2 records

0165US4250681ARemovable and reusable anchor and methodHELDERMAN JAMES F·Filed 1979·Granted Feb 17, 1981·30 cites·13 claims
0232US4969304AImmediately accessible wall and ceiling systemHELDERMAN JAMES F·Filed 1989·Granted Nov 13, 1990·10 cites·10 claims

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