Forward Citations = 21

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3 inventors (with patents filed for the assignee):

John H Francis (5 out of 5 patents)

Roy E VanDerLinden (2 out of 4 patents)

Roy E Van Derlinden (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 4682517 - Variable speed drive--apparatus and method of fabricating the apparatus (1987-07-28),

2. 4644810 - Conical drive (1987-02-24),

3. 4599910 - Speed reducing and torque transmitting mechanism (1986-07-15),

4. 4515028 - Multi-speed drive (1985-05-07),

5. 4459840 - Rolling wobble press (1984-07-17),

Frederick Manufacturing Company is a leading provider of high-quality industrial equipment and precision machining services. With over 50 years of experience, we specialize in custom tooling, prototypes, and production runs for a wide range of industries. Our state-of-the-art facilities and skilled team ensure top-notch products that meet our customers' exact specifications.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

5 Patents

#22 in Frederick, MD

#727 in Maryland

#50,237 in US

Frederick, MD, United States of America

Frederick Manufacturing Company

Forward Citations = 21

3 inventors:

John H Francis (5 out of 5 patents)

Roy E VanDerLinden (2 out of 4 patents)

Roy E Van Derlinden (1 out of 2 patents)

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