IP Library › Granted Patent US 4,239,148
Granted Patent Utility
US 4,239,148 · App. 06/055,906

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Inventors: John F. Sorenson, Frank W. Locke
Patented Case View Patent ↗
Granted: Dec 16, 1980 Filed: Jul 9, 1979
Inventors
John F. Sorenson
Frank W. Locke
Assignee (at issue)
Champion International Corporation Limited

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Quick Facts
Patent No.
US 4,239,148
App. No.
06/055,906
Filed
1979-07-09
Granted
1980-12-16
Kind
A