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:
May. 25, 2004
Filed:
Aug. 23, 2001
Applicant:
Inventors:
Jeffrey B. Williams, Ravenna, OH (US);
Peter W. Broer, Bratenahl, OH (US);
Assignee:
Lumitex, Inc., Strongsville, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 ;
U.S. Cl.
CPC ...
F21V 7/04 ;
Abstract
A lighting device includes an optic light guide having a free end that emits directional light. Surrounding the free end is a sleeve having an aperture through which a beam of light emitted by the free end of the light guide passes. The sleeve may be moved in and out relative to the free end to vary the size of the beam of light passing through the aperture.