Door handle
The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.
1. Door handle
The handle changes colours at different points in time, while the product is in use, in order to enable/deny access to the user.
Claims
The ornamental design for a door handle, as shown and described.
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Type: Grant
Filed: Apr 12, 2017
Date of Patent: Mar 19, 2019
Inventor: Christof Ronge (Luxembourg)
Primary Examiner: Eliza Z Bennett-Hattan
Application Number: 35/503,812