Inventor · disambiguated record
Lawrence F. Fratzke
Also filed as: FRATZKE LAWRENCE F
5 granted patents·122 citations·filing 1975–1980
82Inventor score
Files withCATERPILLAR TRACTOR CO5
Top patents by PatentIndex Score
5 records- 0190US4053868AVehicle system monitorCATERPILLAR TRACTOR CO·Filed 1976·Granted Oct 11, 1977·51 cites·16 claims
- 0264US4184146AWarning systemCATERPILLAR TRACTOR CO·Filed 1977·Granted Jan 15, 1980·26 cites·36 claims
- 0363US4006083APressure differential switchCATERPILLAR TRACTOR CO·Filed 1975·Granted Feb 1, 1977·22 cites·12 claims
- 0458US4057502ASeal for cartridge-type filter assembliesCATERPILLAR TRACTOR CO·Filed 1976·Granted Nov 8, 1977·18 cites·17 claims
- 0535US4267890AFire extinguishing system including sensor comparable to determine chargeCATERPILLAR TRACTOR CO·Filed 1980·Granted May 19, 1981·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →