For the Inventor, By the Inventor

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Belmont, NC, United States of America

Dynamic Balancer Systems LLC

USPTO Granted Patents = 7

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Franz W Kellar (7 out of 45 patents)

Harold L Crowder (7 out of 8 patents)

Franz Austen Kellar (6 out of 15 patents)

4. Michael D Bissette (4 out of 22 patents)

5. J Dean Cole (3 out of 46 patents)

7 patents: Sort by Forward Citations

1. 12648777 - Knee jig positioning apparatus (2026-06-09),

2. 12636051 - Tensioner-balancer for knee joint (2026-05-26),

3. 12599377 - Knee tensioner-balancer and method (2026-04-14),

4. 12491032 - Knee arthroplasty method (2025-12-09),

5. 12303405 - Knee arthroplasty method (2025-05-20),

6. 12290451 - Apparatus and method for evaluating knee geometry (2025-05-06),

7. 12268615 - Joint soft tissue evaluation method (2025-04-08),

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USPTO Data Jan 1 1976 - Sep 29 2026

7 Patents

#2 in Belmont, NC

#852 in North Carolina

#39,856 in US

Belmont, NC, United States of America

Dynamic Balancer Systems LLC

Forward Citations = 0

5 inventors:

Franz W Kellar (7 out of 45 patents)

Harold L Crowder (7 out of 8 patents)

Franz Austen Kellar (6 out of 15 patents)

4. Michael D Bissette (4 out of 22 patents)

5. J Dean Cole (3 out of 46 patents)

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