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:
Mar. 22, 2011
Filed:
Jul. 31, 2006
Applicants:
Gilbert G Smith, Corvallis, OR (US);
Arthur Piehl, Corvallis, OR (US);
Thomas E Novet, Corvallis, OR (US);
Inventors:
Gilbert G Smith, Corvallis, OR (US);
Arthur Piehl, Corvallis, OR (US);
Thomas E Novet, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of creating a projection screen includes forming on a substrate a set of reflective areas directed to a first set of angles and forming on the substrate a set of absorptive areas directed to other than the first set of angles.