Assignee
SCHRAMM BUFORD J
9 granted patents·153 citations·filing 1975–1984
Top patents by PatentIndex Score
9 records- 0190US4003422AProcess for making a composite cylinder head assemblySCHRAMM BUFORD J·Filed 1975·Granted Jan 18, 1977·28 cites·1 claims
- 0285US4497284ABarrel type engine with plural two-cycle cylinders and pressurized inductionSCHRAMM BUFORD J·Filed 1982·Granted Feb 5, 1985·38 cites·7 claims
- 0374US3990523APiston engine powered rotary drive with mount and fuel containerSCHRAMM BUFORD J·Filed 1975·Granted Nov 9, 1976·21 cites·14 claims
- 0465US4616977AHubless, hingeless and bearingless helicopter rotor systemSCHRAMM BUFORD J·Filed 1983·Granted Oct 14, 1986·26 cites·19 claims
- 0559USD252148SInternal combustion engineSCHRAMM BUFORD J·Filed 1976·Granted Jun 19, 1979·6 cites·1 claims
- 0658USD271390SHelicopterSCHRAMM BUFORD J·Filed 1980·Granted Nov 15, 1983·7 cites·1 claims
- 0753USD290596SHelicopterSCHRAMM BUFORD J·Filed 1984·Granted Jun 30, 1987·5 cites·1 claims
- 0853US4403918AHubless, hingeless and bearingless helicopter rotor systemSCHRAMM BUFORD J·Filed 1982·Granted Sep 13, 1983·20 cites·10 claims
- 0943USD251054SSawSCHRAMM BUFORD J·Filed 1976·Granted Feb 13, 1979·2 cites·1 claims
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