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. 29, 2014
Filed:
May. 19, 2006
Applicants:
Joseph A. Hoffman, Minneapolis, MN (US);
Ellen O. Aeling, Oakdale, MN (US);
Michael A. Meis, Stillwater, MN (US);
Inventors:
Joseph A. Hoffman, Minneapolis, MN (US);
Ellen O. Aeling, Oakdale, MN (US);
Michael A. Meis, Stillwater, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An internally illuminated sign includes a case at least partially lined with highly reflective layer and a display surface. The sign also includes light sources that emit light in directions approximately parallel to the display surface.