Inventor · disambiguated record

Frank M. Spear

Also filed as: SPEAR FRANK M

3 granted patents·34 citations·filing 1986–1993

69Inventor score

Technology areasA01D

Files withSPEAR FRANK M2

Top patents by PatentIndex Score

3 records

0174USD301536SRemovable ground cover to catch shrub clippingsSPEAR FRANK M·Filed 1986·Granted Jun 13, 1989·20 cites·1 claims
0234US5367862AAttachment for easing the manipulation of a herbage trimmerFiled 1993·Granted Nov 29, 1994·13 cites·2 claims
0324USD338141SAttachment for sliding a rotary string weed trimmerSPEAR FRANK M·Filed 1991·Granted Aug 10, 1993·1 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →