Patent
   D242637
Priority
Nov 05 1974
Filed
May 01 1975
Issued
Dec 07 1976
Expiry
Dec 07 1990
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for amplifier, as shown and described.

FIG. 1 is a front, top and right side perspective view of an amplifier showing my new design; and

FIG. 2 is a rear, bottom and left side perspective view thereof.

Asai, Yoshinobu

Patent Priority Assignee Title
D347844, Jun 02 1992 Toa Kabushiki Kaisha Amplifier
D349702, Jun 02 1992 Toa Kabushiki Kaisha Amplifier
Patent Priority Assignee Title
212950,
216393,
228510,
238789,
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
May 01 1975Sansui Electric Co., Ltd.(assignment on the face of the patent)
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