IP Library › Granted Patent US 4,328,956
Granted Patent Utility
US 4,328,956 · App. 06/219,623

Taphole assembly and method of installation

Inventors: Samuel J. LaLama, Paul T. Fennema
Patented Case View Patent ↗
Granted: May 11, 1982 Filed: Dec 24, 1980
Inventors
Samuel J. LaLama
Paul T. Fennema
Assignee (at issue)
Kaiser Aluminum & Chemical Corporation

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Quick Facts
Patent No.
US 4,328,956
App. No.
06/219,623
Filed
1980-12-24
Granted
1982-05-11
Kind
A