Inventor · disambiguated record

William C. Harrell

Also filed as: HARRELL WILLIAM C

3 granted patents·69 citations·filing 1983–1990

73Inventor score

Technology areasC03B

Files withPPG INDUSTRIES INC3

Top patents by PatentIndex Score

3 records

0185US5006144AMelting glass with oxidation control and lowered emissionsPPG INDUSTRIES INC·Filed 1990·Granted Apr 9, 1991·45 cites·26 claims
0256US4544396AMethod and apparatus for controlling currents in glass melterPPG INDUSTRIES INC·Filed 1983·Granted Oct 1, 1985·12 cites·8 claims
0356US4536205AMethod for controlling currents in glass melterPPG INDUSTRIES INC·Filed 1984·Granted Aug 20, 1985·12 cites·9 claims

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