Invention Grant
US07958614B2 Method of making a fastening device for visually indicating tension
有权
制造用于可视地指示张力的紧固装置的方法
- Patent Title: Method of making a fastening device for visually indicating tension
- Patent Title (中): 制造用于可视地指示张力的紧固装置的方法
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Application No.: US11869266Application Date: 2007-10-09
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Publication No.: US07958614B2Publication Date: 2011-06-14
- Inventor: Charles H. Popenoe
- Applicant: Charles H. Popenoe
- Agency: Roylance, Abrams, Berdo & Goodman, L.L.P.
- Main IPC: B21D39/00
- IPC: B21D39/00 ; B23P17/00 ; F16B31/02
Abstract:
The present invention relates to fasteners and more specifically to a fastener adapted to visually indicate tension, and method of making thereof.
Public/Granted literature
- US20090092457A1 FASTENING APPARATUS AND METHOD OF MAKING Public/Granted day:2009-04-09
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