Inventor · disambiguated record
Ralph E. Cullen
Also filed as: CULLEN RALPH E
3 granted patents·88 citations·filing 1980–1996
74Inventor score
Top patents by PatentIndex Score
3 records- 0188US4358143ARoll lift and transfer apparatusCENTRAL MACHINE CORP·Filed 1980·Granted Nov 9, 1982·51 cites·23 claims
- 0281US5642979ARoll handling apparatus for fork lift trucksN R S SYSTEMS INC·Filed 1996·Granted Jul 1, 1997·25 cites·1 claims
- 0360US5513944ARoll handling apparatus for fork lift trucksN R S SYSTEMS INC·Filed 1995·Granted May 7, 1996·12 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →