Inventor · disambiguated record
Robert J. Hartzell
Also filed as: HARTZELL ROBERT J
1 granted patent·27 citations·filing 1992–1992
43Inventor score
Technology areasE05B
Files withCHAUTAUQUA HARDWARE COMPANY1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →