Inventor · disambiguated record
David L. Crawforth
Also filed as: CRAWFORTH DAVID L
3 granted patents·62 citations·filing 1989–1992
73Inventor score
Files withMORRISON KNUDSEN CO3
Top patents by PatentIndex Score
3 records- 0155US5119739ATransit car door system and operationMORRISON KNUDSEN CO·Filed 1990·Granted Jun 9, 1992·25 cites·2 claims
- 0254US4981084ATransit car door system and operationMORRISON KNUDSEN CO·Filed 1989·Granted Jan 1, 1991·22 cites·22 claims
- 0348US5226370ATransit car door system and operationMORRISON KNUDSEN CO·Filed 1992·Granted Jul 13, 1993·15 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →