Inventor · disambiguated record
Richard H. Graham
Also filed as: GRAHAM RICHARD H
3 granted patents·309 citations·filing 1980–1980
75Inventor score
Files withGULF RESEARCH DEVELOPMENT CO3
Top patents by PatentIndex Score
3 records- 0196US4299285AUnderground gasification of bituminous coalGULF RESEARCH DEVELOPMENT CO·Filed 1980·Granted Nov 10, 1981·290 cites·9 claims
- 0247US4296809AIn situ gasification of bituminous coalGULF RESEARCH DEVELOPMENT CO·Filed 1980·Granted Oct 27, 1981·11 cites·11 claims
- 0335US4313499ASubterranean gasification of bituminous coalGULF RESEARCH DEVELOPMENT CO·Filed 1980·Granted Feb 2, 1982·8 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →