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:
Jan. 25, 2005
Filed:
Dec. 21, 2001
Applicants:
Barret Lippey, Belmont, MA (US);
Steve O'dea, Wilmington, MA (US);
Mark Kniffin, Brookline, MA (US);
Inventors:
Barret Lippey, Belmont, MA (US);
Steve O'Dea, Wilmington, MA (US);
Mark Kniffin, Brookline, MA (US);
Assignee:
Bose Corporation, Framingham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 2156 ;
U.S. Cl.
CPC ...
Abstract
Selective reflective optical apparatus includes a projection screen. The projection screen has structure constructed and arranged to selectively reflect only incident optical energy of a predetermined number of narrow bands of optical wavelength regions.