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. 28, 1996
Filed:
Jul. 15, 1994
Applicant:
Inventors:
Lawrence W Craighead, Mendota Heights, MN (US);
James A Weldon, Eagan, MN (US);
Forrest J Rouser, San Rafael, CA (US);
Debra L Wilfong, Lake Elmo, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, Saint Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ; B24B / ;
U.S. Cl.
CPC ...
451 42 ; 451 43 ; 451390 ; 24575 ; 24577 ;
Abstract
A method of processing a lens is disclosed. A lens blank and a lens block are each provided with a structured surface having a plurality of tapered elements. The lens blank is releasably attached to the lens block by pressing the structured surface of the lens blank against the structured surface of the lens block, followed by subjecting the mounted lens blank to lens processing operations.