The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 1999
Filed:
Nov. 04, 1996
Applicant:
Inventor:
Edwin G Sawdon, St. Clair, MI (US);
Assignee:
ETM Corporation, Marysville, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
724818 ; 724813 ; 8369891 ;
Abstract
A device for securing a tool includes a punch or die having a recess disposed within an exterior surface for mating with an engagement member. Another aspect of the present invention provides an engagement member with a partially spherical external surface.