For the Inventor, By the Inventor

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Waterford, MI, United States of America

Td IP Holdco, LLC

USPTO Granted Patents = 14

EPO Patents = 1

Trademarks = 8

Forward Citations = 52

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10 inventors (with patents filed for the assignee):

Patricia Yulkowski (8 out of 10 patents)

Leon B Yulkowski (8 out of 25 patents)

Edward J Yenni (5 out of 9 patents)

4. Michelle L Martinez-Bassett (2 out of 2 patents)

5. Jeanne E Kitchen (2 out of 2 patents)

6. Angelito O Arjona (2 out of 2 patents)

7. Steve Gebhart (1 out of 4 patents)

8. E Janee Williams Weber (1 out of 1 patent)

9. Trent J Eckerdt (1 out of 1 patent)

10. Gerard S Edwards (1 out of 6 patents)

14 patents: Sort by Forward Citations

1. 12344507 - Surface mounted door frame (2025-07-01),

2. 11713608 - Door monitoring system (2023-08-01),

3. 11708243 - Surface mounted door frame (2023-07-25),

4. D987678 - Display screen or portion thereof with graphical user interface (2023-05-30),

5. 11539794 - System and method for monitoring door usage (2022-12-27),

6. 11199041 - Concealed electrical door operator (2021-12-14),

7. 11098517 - Door operator and clutch (2021-08-24),

8. D923029 - Display screen or portion thereof with graphical user interface (2021-06-22),

9. 11028630 - Door monitoring system (2021-06-08),

10. 10858220 - Surface mounted door frame (2020-12-08),

11. 10415294 - Door monitoring system (2019-09-17),

12. 9651130 - Gear assembly with spiral gears (2017-05-16),

13. 9536357 - Door monitoring system (2017-01-03),

14. 8907791 - Door monitoring system (2014-12-09),

TD IP HOLDCO, LLC is a company specializing in intellectual property management and licensing. With a vast portfolio of patents and trademarks, we provide innovative solutions for businesses worldwide. Our experienced team offers comprehensive services for IP strategy, valuation, acquisition, enforcement, and monetization. We strive to maximize the value of our clients' intellectual property assets and secure their competitive advantages in the global market.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

14 Patents

#2 in Waterford, MI

#768 in Michigan

#21,609 in US

#40,906 in the World

Waterford, MI, United States of America

Td IP Holdco, LLC

Forward Citations = 52

10 inventors:

Patricia Yulkowski (8 out of 10 patents)

Leon B Yulkowski (8 out of 25 patents)

Edward J Yenni (5 out of 9 patents)

4. Michelle L Martinez-Bassett (2 out of 2 patents)

5. Jeanne E Kitchen (2 out of 2 patents)

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