Inventor · disambiguated record
Robert D. Leffingwell
Also filed as: LEFFINGWELL ROBERT D
1 granted patent·29 citations·filing 1992–1992
43Inventor score
Technology areasF04B
Files withTECUMSEH PRODUCTS CO1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →