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:
Nov. 29, 2005
Filed:
Feb. 03, 2003
Applicants:
Jon P. Knorr, Grand Rapids, MI (US);
Benjamin P. Knapp, Byron Center, MI (US);
Inventors:
Jon P. Knorr, Grand Rapids, MI (US);
Benjamin P. Knapp, Byron Center, MI (US);
Assignee:
Jackson Products, Inc., St. Charles, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R025/00 ;
U.S. Cl.
CPC ...
Abstract
An earmuff comprising a headpiece and a circuit. The headpiece supports the earmuff on the head of an individual. The circuit has an input device for receiving external sound energy and converting the external sound energy to electrical sound signals.