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:
Sep. 19, 2006
Filed:
Feb. 27, 2004
Applicants:
Barret Lippey, Belmont, MA (US);
Steve O'dea, Wilmington, MA (US);
Inventors:
Barret Lippey, Belmont, MA (US);
Steve O'Dea, Wilmington, MA (US);
Assignee:
Bose Corporation, Farmington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/56 (2006.01); G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
An assembly for use in a projection screen that includes a metal reflective surface, and a layer above the metal reflective surface to reduce an amount of difference in reflectivity of the metal reflective surface for light polarized in two different directions.