IP Library › Granted Patent US 6,374,657
Granted Patent Utility
US 6,374,657 · App. 09/699,742

Method of making bump-up can bottom

Inventors: William A. Kirk, Benjamin Derr
Patented Case View Patent ↗
Granted: Apr 23, 2002 Filed: Oct 30, 2000
Inventors
William A. Kirk
Benjamin Derr
Assignee (at issue)
Crown Cork & Seal Technologies Corporation

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Quick Facts
Patent No.
US 6,374,657
App. No.
09/699,742
Filed
2000-10-30
Granted
2002-04-23
Kind
B1