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. 01, 2009
Filed:
May. 31, 2007
Applicants:
Kevin L. Parsons, Appleton, WI (US);
Dennis Keenan, Traverse City, MI (US);
Inventors:
Kevin L. Parsons, Appleton, WI (US);
Dennis Keenan, Traverse City, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21L 4/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flashlight is provided. The flashlight includes a LED light source, a power circuit that provides power to the LED light source and a buck and boost power controller within the power circuit in series with the LED light source where the buck and boost circuit boosts a battery voltage to the light source when the battery voltage is below the predetermined voltage and reduces the battery voltage to the light source when the battery voltage exceeds the predetermined voltage.