IP Library Granted Patent US 5,256,019
Granted Patent Utility
US 5,256,019 · App. 07/980,728

Washerless self-captivating screw

Inventor: Ronald W. Phillips, II
Patented Case View Patent ↗
Granted: Oct 26, 1993 Filed: Nov 24, 1992
Inventor
Ronald W. Phillips, II
Assignee (at issue)
Penn Engineering & Manufacturing Corp.

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Quick Facts
Patent No.
US 5,256,019
App. No.
07/980,728
Filed
1992-11-24
Granted
1993-10-26
Kind
A