Patent
   D324913
Priority
Jan 12 1990
Filed
Jan 12 1990
Issued
Mar 24 1992
Expiry
Mar 24 2006
Assg.orig
Entity
unknown
9
7
n/a
The ornamental design for a hand-held tone generator, as shown and described.

FIG. 1 is a perspective view of a hand-held tone generator, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is an end elevational view thereof.

Chojar, Sunil

Patent Priority Assignee Title
5732396, Feb 03 1994 Beltone Electronics Corporation Hearing aid screening device having an elongated spacing element which extends therefrom providing for ingress of background noise
D335349, Mar 04 1988 Handtronix, Inc. Hand-held hearing screener
D359121, Feb 03 1994 Beltone Electronics Corporation Housing for screening device
D735335, Jan 07 2005 COLOPLAST A S Voice prosthesis
D784539, Jun 25 2015 COLOPLAST A S Voice prosthesis
D938589, Oct 10 2019 Hearing aid tool
D975279, Jan 12 2022 P&D Gustafson Inventions, LLC Hearing aid insert
ER4192,
ER9665,
Patent Priority Assignee Title
2516945,
3105876,
3588358,
4567881, Mar 31 1983 Welch Allyn Inc. Combination otoscope and audiometer
4688582, Mar 06 1986 Welch Allyn, Inc. Portable hand-held tympanometer
191564,
D298773, Nov 19 1986 Baby hearing tester
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 02 1990CHOJAR, SUNILSTARKEY LABORATORIES, INC , A CORP OF MN ASSIGNMENT OF ASSIGNORS INTEREST 0052220599 pdf
Jan 12 1990Starkey Laboratories, Inc.(assignment on the face of the patent)
Feb 01 1999Starkey Laboratories, IncLASALLE NATIONAL BANK, AS AGENTSECURITY AGREEMENT0097640475 pdf
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