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:
Jan. 20, 1998
Filed:
Apr. 16, 1996
Applicant:
Inventor:
Brian L Thelen, Fond du Lac, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
40544 ; 362812 ;
Abstract
An electroluminescent identification device includes an enclosure which supports a variety of opaque alpha-numeric characters, a luminescent lamp which highlights the characters, and an electronic circuit which converts the alternating voltage typically used in doorbell electrical circuits to the higher alternating frequencies required to energize the lamp.
Thelen, Brian. (1998). Electroluminescent identification device (U.S. Patent No. 5709045). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5709045
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile