IP Library › Granted Patent US 6,629,477
Granted Patent Utility
US 6,629,477 · App. 09/885,034

Reversible ratchet wrench with high torsion

Inventors: David Ling, Hsien-Chung Tuan-Mu
Patented Case View Patent ↗
Granted: Oct 7, 2003 Filed: Jun 21, 2001
Inventors
David Ling
Hsien-Chung Tuan-Mu
Assignee (at issue)
Hand Tool Design Corporation

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Quick Facts
Patent No.
US 6,629,477
App. No.
09/885,034
Filed
2001-06-21
Granted
2003-10-07
Kind
B2