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:
Mar. 30, 1993
Filed:
Oct. 31, 1991
Applicant:
Inventors:
James Kelley, St. Paul, MN (US);
Paul Rudolph, Minneapolis, MN (US);
Gordon R Helmer, Blaine, MN (US);
Daniel C Haeg, Anoka, MN (US);
Roger C Erickson, Ham Lake, MN (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ;
U.S. Cl.
CPC ...
118718 ; 118723 ;
Abstract
A plasma treatment apparatus for treating strip-stock material, such as tubing, wire, webs, and the like, by moving the strip-stock through a plasma treatment region of the apparatus provides improved consistency of surface treatment if the tension on the material is maintained within a predetermined range.