For the Inventor, By the Inventor

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Charlestown, MA, United States of America

Quadratic 3D, Inc.

USPTO Granted Patents = 6

EPO Patents = 1

Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Samuel N Sanders (4 out of 4 patents)

Emily M Arndt (3 out of 3 patents)

Karen Twietmeyer (2 out of 3 patents)

4. Peter T Kazlas (1 out of 61 patents)

5. Joshua C Born (1 out of 1 patent)

6. Richard Nelson Rose (1 out of 1 patent)

7. Elango Kumarasamy (1 out of 1 patent)

8. Gavin R Kiel (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12715998 - Methods of forming an object in a volume of a photohardenable composition, photohardenable compositions, and photoinitiators (2026-08-25),

2. 12703149 - Methods including a combined light sheet and apparatuses (2026-08-11),

3. 12679993 - Photohardenable compositions and methods for forming an object in a volume of a photohardenable composition (2026-07-14),

4. 12583948 - Photohardenable compositions, methods, and a stabilizer (2026-03-24),

5. 12552761 - Photoinitiators, photohardenable compositions, and methods for forming an object in a volume (2026-02-17),

6. 12539673 - Volumetric three-dimensional printing methods (2026-02-03),

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USPTO Data Jan 1 1976 - Sep 15 2026

6 Patents

#9 in Charlestown, MA

#2,536 in Massachusetts

#44,869 in US

Charlestown, MA, United States of America

Quadratic 3D, Inc.

Forward Citations = 0

8 inventors:

Samuel N Sanders (4 out of 4 patents)

Emily M Arndt (3 out of 3 patents)

Karen Twietmeyer (2 out of 3 patents)

4. Peter T Kazlas (1 out of 61 patents)

5. Joshua C Born (1 out of 1 patent)

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