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:
Jun. 04, 1985
Filed:
Aug. 31, 1983
Applicant:
Inventors:
James Economy, San Jose, CA (US);
Anagnostis E Zachariades, Hillsborough, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72365 ; 72379 ;
Abstract
A method for modifying the surface properties of a material which applies a deformational force which exceeds the elastic limit of the material at the surface so that a plastic deformation of the surface occurs without modifying the bulk properties of the material.