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Patents
Patents Examined by John M. Gandy
Patents Examined by John M. Gandy
Triple baffle tile for fixed heater for oil refineries
Patent number:
D318328
Type:
Grant
Filed:
June 17, 1988
Date of Patent:
July 16, 1991
Assignee:
Amoco Corporation
Inventors:
Martin F. Brennan, Ronald L. Cutshall, Frank L. Groenewold