For the Inventor, By the Inventor

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Charlestown, MA, United States of America

Quadratic 3D, Inc.

USPTO Granted Patents = 7

EPO Patents = 1

Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Samuel N Sanders (5 out of 5 patents)

Emily M Arndt (4 out of 4 patents)

Karen Twietmeyer (2 out of 3 patents)

4. Elango Kumarasamy (2 out of 2 patents)

5. Gavin R Kiel (2 out of 2 patents)

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

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

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

7 patents: Sort by Forward Citations

1. 12754478 - Photohardenable compositions and methods of forming an object (2026-10-06),

2. 12715998 - Methods of forming an object in a volume of a photohardenable composition, photohardenable compositions, and photoinitiators (2026-08-25),

3. 12703149 - Methods including a combined light sheet and apparatuses (2026-08-11),

4. 12679993 - Photohardenable compositions and methods for forming an object in a volume of a photohardenable composition (2026-07-14),

5. 12583948 - Photohardenable compositions, methods, and a stabilizer (2026-03-24),

6. 12552761 - Photoinitiators, photohardenable compositions, and methods for forming an object in a volume (2026-02-17),

7. 12539673 - Volumetric three-dimensional printing methods (2026-02-03),

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USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#9 in Charlestown, MA

#2,305 in Massachusetts

#39,879 in US

Charlestown, MA, United States of America

Quadratic 3D, Inc.

Forward Citations = 0

8 inventors:

Samuel N Sanders (5 out of 5 patents)

Emily M Arndt (4 out of 4 patents)

Karen Twietmeyer (2 out of 3 patents)

4. Elango Kumarasamy (2 out of 2 patents)

5. Gavin R Kiel (2 out of 2 patents)

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