IP Library › Granted Patent US 5,674,417
Granted Patent Utility
US 5,674,417 · App. 08/357,418

Method and apparatus for welding shut a gas passage in vessels

Inventors: David M. Schaugaard, Kenneth J. Clark
Patented Case View Patent ↗
Granted: Oct 7, 1997 Filed: Dec 16, 1994
Inventors
David M. Schaugaard
Kenneth J. Clark
Assignee (at issue)
Morton International, Inc.

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Quick Facts
Patent No.
US 5,674,417
App. No.
08/357,418
Filed
1994-12-16
Granted
1997-10-07
Kind
A