Inventor · disambiguated record

Alan John Spychalla

Also filed as: SPYCHALLA ALAN JOHN

1 granted patent·22 citations·filing 1998–1998

40Inventor score
Technology areasF02C
Files withDONALDSON CO INC1

Top patents by PatentIndex Score

1 record

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