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:
Sep. 20, 2016
Filed:
Aug. 13, 2009
Applicants:
Charles Lee Lindsay, Monument, CO (US);
Charles Hunter Bush, Colorado Springs, CO (US);
Inventors:
Charles Lee Lindsay, Monument, CO (US);
Charles Hunter Bush, Colorado Springs, CO (US);
Assignee:
Skyline Products, Inc., Colorado Springs, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/00 (2006.01); G08B 5/22 (2006.01); H05B 37/03 (2006.01);
U.S. Cl.
CPC ...
H05B 37/03 (2013.01);
Abstract
A feedback circuit for a display sign has a number of lights. A resistor is coupled in series with the lights. A voltage measuring circuit is coupled to the resistor.