IP Library › Granted Patent US 4,227,617
Granted Patent Utility
US 4,227,617 · App. 06/071,318

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Inventors: Leman P. Albrecht, W. Coy Willis
Patented Case View Patent ↗
Granted: Oct 14, 1980 Filed: Aug 30, 1979
Inventors
Leman P. Albrecht
W. Coy Willis
Assignee (at issue)
Aluminum Company of America

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Quick Facts
Patent No.
US 4,227,617
App. No.
06/071,318
Filed
1979-08-30
Granted
1980-10-14
Kind
A