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. 28, 1989
Filed:
Dec. 18, 1987
Applicant:
Inventors:
Harold L Rothwell, Jr, Georgetown, MA (US);
Jeffrey O Grant, Indianapolis, IN (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
315246 ; 315115 ; 313 15 ; 313568 ; 313637 ;
Abstract
The present invention is directed to a novel system for producing selectable color bands from a single emission source. More particularly, this invention is directed to a small emission source consisting of a gas discharge means. The emission source in the present invention is preferably a single-ended fused silica capsule which encloses one or more predetermined metal halide salts and an inert gas, preferably argon gas.