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:
Apr. 29, 2003
Filed:
Jan. 07, 1999
Applicant:
Inventor:
John E. Levreault, Boxford, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/00 ;
U.S. Cl.
CPC ...
H04B 1/00 ;
Abstract
A system for installing a radio audio amplifier in a vehicle at a location remote from the vehicle radio. The system senses voltage in the radio speaker wires to turn the amplifier on and off.