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. 29, 1999
Filed:
Aug. 16, 1994
Applicant:
Inventor:
John W Friederichs, West Branch, MI (US);
Assignee:
Valenite Inc, Madison Hts, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 15 ; 419 49 ; 419 57 ;
Abstract
An article made of an ultra fine grained cemented carbide material comprising a transition metal carbide and tungsten carbide having an ultrafine grain size below about 0.6 microns and a process for making the same.