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. 07, 2009
Filed:
Sep. 27, 2005
Applicant:
Gary M. Palmgren, Lake Elmo, MN (US);
Inventor:
Gary M. Palmgren, Lake Elmo, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23F 21/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are an abrasive tool comprising abrasive particles having an average shape controlled to within a small range, and methods of providing such tools. Thus, a large number of abrasive tools will have very similar operating characteristics, and abrasive tools made at different times or through different methods also can have very similar operating characteristics.