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:
Nov. 06, 1990
Filed:
May. 05, 1989
Applicant:
Inventors:
Randall S Helm, Kentwood, MI (US);
Richard A Benoit, East Grand Rapids, MI (US);
Assignee:
Steelcase Inc., Grand Rapids, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362330 ; 362223 ; 362328 ;
Abstract
A low-glare light having a light source behind a transparent sheet of dielectric material. The transparent sheet has a prismatic surface on one side containing a plurality of elongated prisms and a plano surface on the opposite side. The transparent sheet is positioned with the prismatic surface facing the source of light with the elongated prisms perpendicular to the source of light.