Inventor · disambiguated record
Alan R. Birch
Also filed as: BIRCH ALAN R
4 granted patents·93 citations·filing 1990–1993
79Inventor score
Files withBROADWAY IND INC4
Top patents by PatentIndex Score
4 records- 0186USD339280SDoor handle unitBROADWAY IND INC·Filed 1991·Granted Sep 14, 1993·46 cites·1 claims
- 0276USD326996SDoor plateBROADWAY IND INC·Filed 1990·Granted Jun 16, 1992·21 cites·1 claims
- 0374USD331004SDoor leverBROADWAY IND INC·Filed 1990·Granted Nov 17, 1992·19 cites·1 claims
- 0450USD346947SLever handleBROADWAY IND INC·Filed 1993·Granted May 17, 1994·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →