Patent
   D933628
Priority
Nov 03 2017
Filed
Nov 03 2017
Issued
Oct 19 2021
Expiry
Oct 19 2036
Assg.orig
Entity
unknown
3
18
n/a
The ornamental design for an amplification device, as shown and described.

FIG. 1 is a perspective view of an amplification device in accordance with our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dot-dot-dash broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating portions of the amplification device; the broken lines form no part of the claimed design.

Morris, Ernest Eugene, Meiklejohn, Philip

Patent Priority Assignee Title
D973885, Mar 26 2019 X Development LLC Electroencephalogram signal amplification device
ER4264,
ER8534,
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Nov 02 2017MEIKLEJOHN, PHILIPMORRIS, ERNEST EUGENEASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0440310536 pdf
Nov 03 2017Ernest Eugene, Morris(assignment on the face of the patent)
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