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. 29, 2011
Filed:
Aug. 01, 2008
Applicant:
John G. Petersen, Center City, MN (US);
Inventor:
John G. Petersen, Center City, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are surface modifying apparatus, such as non-motorized and motorized sanding tools, with an illumination system providing an intensity and incidence angle on the working surface that facilitates visual inspection of defects and blemishes on the surface being modified in a safe, low cost, and convenient manner.