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. 06, 2010
Filed:
Aug. 02, 2007
Robert Casper, Toronto, Ontario, CA;
Jennifer Wardrop, Toronto, Ontario, CA;
Jonathan Spilkin, Toronto, Ontario, CA;
Peter Solo, Toronto, Ontario, CA;
Shadab Rahman, Mississauga, Ontario, CA;
Robert Casper, Toronto, Ontario, CA;
Jennifer Wardrop, Toronto, Ontario, CA;
Jonathan Spilkin, Toronto, Ontario, CA;
Peter Solo, Toronto, Ontario, CA;
Shadab Rahman, Mississauga, Ontario, CA;
Other;
Abstract
A method of maintaining circadian rhythm of a subject comprising selectively substantially blocking retinal exposure of the subject to light having a wavelength shorter than a specified wavelength during the night, and an apparatus for carrying out the claimed method comprising an optical filter that selectively at least substantially blocks light having a wavelength shorter than the specified wavelength.