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:
May. 07, 1991
Filed:
Jan. 27, 1989
Applicant:
Inventors:
Michael A Gagliardo, Shrewsbury, MA (US);
Paul M Goodwin, Worcester, MA (US);
Donald W Smelser, Bolton, MA (US);
Assignee:
Digital Equipment Corporation, Maynard, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 377 ; 371 212 ; 371 401 ;
Abstract
An algorithm, and methodology for its application, useful in digital computer systems incorporating read-modify-write data storage systems to accurately identify rewritten data which has been determined bad before being rewritten.