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:
Jul. 08, 2014
Filed:
Feb. 06, 2012
Louis S. Moren, Mahtomedi, MN (US);
Brian G. Koethe, Cottage Grove, MN (US);
John T. Boden, White Bear Lake, MN (US);
Louis S. Moren, Mahtomedi, MN (US);
Brian G. Koethe, Cottage Grove, MN (US);
John T. Boden, White Bear Lake, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method of applying particles to a backing having a make layer on one of the backing's opposed major surfaces. The method including the steps of: supporting the particles on a feeding member having a feeding surface such that the particles settle into one or more layers on the feeding surface; the feeding surface and the backing being arranged in a non-parallel manner; and translating the particles from the feeding surface to the backing and attaching the particles to the make layer by an electrostatic force.