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. 25, 1989
Filed:
Oct. 28, 1988
Applicant:
Inventors:
George J English, North Reading, MA (US);
Harold L Rothwell, Jr, Georgetown, MA (US);
Donald F Garrity, Jr, Chester, NH (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
445 40 ; 445 43 ;
Abstract
A mercury-free colored light source is especially well suited for use as a signal and/or navigational aid. The source is also adaptable to many other applications requiring momentary flashes of a particular color of light. The mercury-free, pulsed metal halide light source of the present invention comprises in combination: