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. 23, 2004
Filed:
Dec. 12, 2002
Applicant:
Inventors:
Robert Leland Wee Smithson, Mahtomedi, MN (US);
Jeffrey Bruce Hill, Stillwater, MN (US);
Stephen Paul Le Blanc, Austin, TX (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 2/638 ;
U.S. Cl.
CPC ...
B23K 2/638 ;
Abstract
Method of making a lens on an optical fiber or waveguide using a femtosecond laser. The lens may be further smoothed by the application of heat.