Inventor · disambiguated record
John F. Hemmelgarn
Also filed as: HEMMELGARN JOHN F
1 granted patent·1 pending application·0 citations·filing 2022–2024
14Inventor score
Technology areasB62B
Files withCROWN EQUIP CORP2
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2 recordsIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →