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:
Mar. 31, 1992
Filed:
Sep. 04, 1990
Applicant:
Inventors:
Keith A Guggenberger, Minnetonka, MN (US);
Jerome C Ruzicka, Maple Grove, MN (US);
Assignee:
Starkey Laboratories, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
181130 ; 181135 ;
Abstract
Hearing aids, particularly hearing aids of the type embodying an ear-fitted housing having an interior receiver at the receiver tube leading from the interior receiver to the exterior of the housing. Particularly, a wax guard in the form of a coil of wire which is interference-fitted within the receiver to provide a restrictive path for ear wax and, thus protect the receiver.
Guggenberger, Keith. (1992). Wax guard for hearing aids (U.S. Patent No. 5099947). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5099947
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile