Patent
   D341885
Priority
Jul 22 1991
Filed
Jul 22 1991
Issued
Nov 30 1993
Expiry
Nov 30 2007
Assg.orig
Entity
unknown
5
11
n/a
The ornamental design for a listening aid, as shown and described.

FIG. 1 is a perspective view of a listening aid showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view.

Hara, Rex N.

Patent Priority Assignee Title
10383770, Oct 17 2013 Auditory sensitivity adjustment device
8220585, Nov 08 2010 Non-electronic hearing aid
9681989, Oct 17 2013 Auditory sensitivity adjustment device
9717632, Oct 17 2013 Auditory sensitivity adjustment device
D674492, Nov 08 2010 Non-electronic hearing aid
Patent Priority Assignee Title
1820107,
2469254,
3618698,
3938616, Nov 27 1973 Sound multiplier
4556122, Aug 31 1981 HACKETT, GREGG L ; HAIT, HOWARD; JENKINS, RONALD; DAVIS, WILLIAM G ; WILLIAMS, TOM; REISMAN, MYLES Ear acoustical hearing aid
4771859, May 14 1987 Hearing aid apparatus
5020629, Dec 11 1989 Listening enhancement device
221045,
D266945, Dec 27 1979 Soundfocuser
DE2476991,
DE3325532,
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