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. 23, 1991
Filed:
May. 03, 1990
Applicant:
Inventor:
Gerald Tanny, Rehovot, IL;
Assignee:
Gelman Sciences, Inc., Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
128849 ; 606-2 ; 128858 ; 128846 ;
Abstract
A method and a system are provided for protecting patients and equipment from the damaging effects of stray laser light emissions. Porous barrier materials are selected to have a pore geometry functionally related to the wavelength of emitted laser so as to cause destructive interference of the light beam when the beam encounters the porous material.