Knob of a dental matrix device
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Claims
The ornamental design for a knob of a dental matrix device, as shown and described.
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- 20x Plastic Control Knob InsertType 12mmDx19mmH 6mm D Shaft Grey A5. Retrieved on Jun. 29, 2020. Retrieved from the Internet: https://www.ebay.com/itm/20x-Plastic-Control-Knob-Insert-Type-12mmDx19mmH-6mm-D-Shaft-Grey-A5-/153429979390.
Type: Grant
Filed: Aug 20, 2019
Date of Patent: May 18, 2021
Assignee: Ultradent Products, Inc. (South Jordan, UT)
Inventors: Thomas John Webster (Riverton, UT), Bruce S. McLean (Sandy, UT), Wade Robert Michael Smith (Pleasant Grove, UT)
Primary Examiner: Wan Laymon
Application Number: 29/702,590