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For the Inventor, By the Inventor

Burlington, MA, United States of America

Keystone Dental, Inc.


USPTO Granted Patents = 3



Trademarks = 21

Forward Citations = 14

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4 inventors (with patents filed for the assignee):

goldMedal Robert D Carter (1 out of 20 patents)

silverMedal Stephen John Chu (1 out of 16 patents)

bronzeMedal Jocelyn Huiping Tan-Chu (1 out of 10 patents)

4.  Dale E Whipple (1 out of 19 patents)


3 patents:

1. 11571282 - Gingival ovate pontic and methods of using the same (2023-02-07),
2. 8029282 - Carry and drive device and method for dental implant and/or components thereof (2011-10-04),
3. 7887325 - Implant-driver assembly (2011-02-15),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#92 in Burlington, MA

#3,878 in Massachusetts

#72,042 in US

...
Burlington, MA, United States of America

Keystone Dental, Inc.

Forward Citations = 14

4 inventors:

goldMedal Robert D Carter (1 out of 20 patents)

silverMedal Stephen John Chu (1 out of 16 patents)

bronzeMedal Jocelyn Huiping Tan-Chu (1 out of 10 patents)

4.  Dale E Whipple (1 out of 19 patents)

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