Amplification device
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Description
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.
Claims
The ornamental design for an amplification device, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D933628
Type: Grant
Filed: Nov 3, 2017
Date of Patent: Oct 19, 2021
Assignee: (Lakewood, CO)
Inventor: Ernest Eugene Morris (Lakewood, CO)
Primary Examiner: Keli L Hill
Application Number: 29/624,802
Type: Grant
Filed: Nov 3, 2017
Date of Patent: Oct 19, 2021
Assignee: (Lakewood, CO)
Inventor: Ernest Eugene Morris (Lakewood, CO)
Primary Examiner: Keli L Hill
Application Number: 29/624,802
Classifications