Dental retractor
Description
Claims
The ornamental design for a dental retractor, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Helping Hand Dental—About, announced Oct. 12, 2016 [online], [site visited Nov. 3, 2016]. Available from internet, URL: <http://helpinghanddental.com/about.html>.
- Helping Hand Dental—Gallery, announced Oct. 12, 2016 [online], [site visited Nov. 3, 2016]. Available from internet, URL: <http://helpinghanddental.com/gallery.html>.
- Helping Hand Intro Video, announced Aug. 15, 2014 [online], [site visited Nov. 3, 2016]. Available from internet, URL: <https://www.youtube.com/watch?v=GLqrgDg8IKM>.
- The Helping Hand—Testimonial, announced Dec. 17, 2014 [online], [site visited Nov. 3, 2016]. Available from internet, URL: <https://www.youtube.com/watch?v=6U0U-uwAXcg>.
- Helping Hand Mouth Retractor, announced May 22, 2014 [online], [site visited Nov. 3, 2016]. Available from internet, URL: <https://www.youtube.com/watch?v=addTpcUzuos>.
Patent History
Patent number: D784531
Type: Grant
Filed: Jan 11, 2016
Date of Patent: Apr 18, 2017
Inventors: Roger Malcolm (San Clemente, CA), Bruce Crispin (San Clemente West Hills, CA), Kristi Ann Crispin-Blas (Westlake, CA)
Primary Examiner: Keli L Hill
Assistant Examiner: Karra S Johnson
Application Number: 29/505,694
Type: Grant
Filed: Jan 11, 2016
Date of Patent: Apr 18, 2017
Inventors: Roger Malcolm (San Clemente, CA), Bruce Crispin (San Clemente West Hills, CA), Kristi Ann Crispin-Blas (Westlake, CA)
Primary Examiner: Keli L Hill
Assistant Examiner: Karra S Johnson
Application Number: 29/505,694
Classifications