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:
Nov. 09, 1999
Filed:
Jun. 03, 1997
Applicant:
Inventors:
Richard L Grace, Russellville, AR (US);
Jeff Grace, Dover, AR (US);
Daniel I Duerr, Russellville, AR (US);
Assignee:
Grace Manufacturing Inc., Russellville, AR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H / ; B23H / ; B23H / ;
U.S. Cl.
CPC ...
219 6912 ;
Abstract
A method is shown for manufacturing a bone saw blades from a metal blanks by using an electric discharge machining process. Plural stacks of metal blanks are formed and loaded into a jig where the stacks are secured in an angular position. The stacks of metal blanks are subjected to an electric discharge machining process whereby teeth are machined into the peripheral edges of the metal blanks. The positions of the stacks are switched and the electric discharge machining process is repeated.