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:
Feb. 05, 2013
Filed:
May. 05, 2010
David P. Ziegler, Boxborough, MA (US);
Christopher P. Drew, Clinton, MA (US);
Michelle Markey, Douglas, MA (US);
David P. Ziegler, Boxborough, MA (US);
Christopher P. Drew, Clinton, MA (US);
Michelle Markey, Douglas, MA (US);
The United States of America as Represented by the Secretary of the Army, Washington, DC (US);
Abstract
An assembly for testing the effectiveness of anti-fog coatings on eyewear lenses, the assembly comprising a chamber for receiving and retaining the eyewear, means for controlling the temperature and relative humidity in the chamber, means for providing warm moist air to the chamber, and a hazemeter for detecting and recording haze values exhibited by the lenses; and a method for evaluating effectiveness of anti-fog coatings on eyewear lenses, utilizing the assembly.