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:
Sep. 12, 2000
Filed:
Apr. 19, 1995
Applicant:
Inventors:
Johnny Dale Massie, II, Lexington, KY (US);
Jean Marie Massie, Lexington, KY (US);
Donald Wayne Stafford, Lexington, KY (US);
Peter Eric Wallin, Lexington, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284259 ; 355259 ; 355274 ; 428 369 ; 428 3691 ; 4284231 ; 4284258 ; 430126 ; 492 56 ;
Abstract
A semiconductor developer roller having a conductive shaft and an outer member of caprolactone-ester-based polyurethane loaded with ferric chloride. The members have low environmental sensitivity and good electrical stability.