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.

Date of Patent:
Sep. 12, 2006

Filed:

Jul. 18, 1997
Applicants:

William Joseph Lang, Bonsall, CA (US);

Ralph E. Johnson, Los Alamitos, CA (US);

John B. Hartley, Pacific Palisades, CA (US);

Inventors:

William Joseph Lang, Bonsall, CA (US);

Ralph E. Johnson, Los Alamitos, CA (US);

John B. Hartley, Pacific Palisades, CA (US);

Assignee:

Illumination Technology, Inc., Cypress, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01K 1/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light bulb that is with glass envelope having light transmission of a wavelength only up to 700 nm has an incandescent filament enclosed in a glass envelope that transmits substantially no detectable amount of light of a wave length greater than 700 nanometers.


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