IP Library › Granted Patent US 6,789,648
Granted Patent Utility
US 6,789,648 · App. 10/339,065

Retractable ladder assembly

Inventor: Gregory Cook
Patented Case View Patent ↗
Granted: Sep 14, 2004 Filed: Jan 8, 2003
Inventor
Gregory Cook
Assignee (at issue)
Cook Manufacturing Corporation

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Quick Facts
Patent No.
US 6,789,648
App. No.
10/339,065
Filed
2003-01-08
Granted
2004-09-14
Kind
B2