IP Library › Granted Patent US 4,865,154
Granted Patent Utility
US 4,865,154 · App. 07/249,504

Muffler with drain holes

Inventors: Roger D. Hanson, William E. Hill
Patented Case View Patent ↗
Granted: Sep 12, 1989 Filed: Sep 26, 1988
Inventors
Roger D. Hanson
William E. Hill
Assignee (at issue)
Tennessee Gas Pipeline Company

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Quick Facts
Patent No.
US 4,865,154
App. No.
07/249,504
Filed
1988-09-26
Granted
1989-09-12
Kind
A