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. 25, 2007
Filed:
Jan. 26, 2005
Eric T. Heinze, Pewaukee, WI (US);
Gregg J. Haensgen, Menomonee Falls, WI (US);
Christopher M. Hofmeister, Menomonee Falls, WI (US);
Eric T. Heinze, Pewaukee, WI (US);
Gregg J. Haensgen, Menomonee Falls, WI (US);
Christopher M. Hofmeister, Menomonee Falls, WI (US);
RF Technologies, Inc., Brookfield, WI (US);
Abstract
A locator system includes a handheld unit for providing an interrogation signal. The handheld unit can be a handheld computer or PDA including an RF module. The interrogation signal is received by an RF tag. The RF tag can include a power source and a memory. The memory can store an indication of the date of installation of the battery. The tag unit can provide the indication to the handheld unit in response to the interrogation signal.