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Chicago, IL, United States of America

Joslyn Corporation

USPTO Granted Patents = 18

Forward Citations = 294

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15 inventors (with patents filed for the assignee):

David W Tonkiss (4 out of 6 patents)

Francis V Cunningham (4 out of 11 patents)

Frederick W Burtelson (2 out of 11 patents)

4. Donald J Akers (2 out of 3 patents)

5. Wayne B Wolcott (2 out of 6 patents)

6. Thomas Frederic Young (1 out of 8 patents)

7. Douglas J Walker (1 out of 1 patent)

8. William R Rueth (1 out of 1 patent)

9. Raymond E Micheletti (1 out of 1 patent)

10. Samual Duvall (1 out of 1 patent)

11. Joseph C Osterhout (1 out of 2 patents)

12. Steven P Hensley (1 out of 3 patents)

13. Walt Landow (1 out of 1 patent)

14. Hugh Kane (1 out of 1 patent)

15. Gary J LaRock (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 5258588 - Puffer type switch high current electrical switch contact assembly (1993-11-02),

2. 5237482 - High voltage surge arrester with failed surge arrester signaling device (1993-08-17),

3. 5137060 - Manual band installation tool (1992-08-11),

4. 5082454 - Two-piece retaining ring (1992-01-21),

5. 5007465 - Hand operated band bending tool (1991-04-16),

6. 5000232 - Manual band installation tool (1991-03-19),

7. 4996868 - Calibration device for banding tools (1991-03-05),

8. 4991053 - Surge arrester with draining insulative bracket (1991-02-05),

9. 4972291 - Surge arrester with improved insulative bracket (1990-11-20),

10. 4950851 - Fast operator (1990-08-21),

11. 4934416 - Power-operated banding tool (1990-06-19),

12. 4910367 - Visible break switch (1990-03-20),

13. 4822291 - Gas operated electrical connector (1989-04-18),

14. 4818820 - Transmission system (1989-04-04),

15. 4756130 - Apparatus for reinforcing utility poles and the like (1988-07-12),

Joslyn Corporation is a leading provider of industrial equipment and services. With over 50 years of experience, we specialize in manufacturing metal fabrication products, custom machinery, and automation systems for a wide range of industries. Our commitment to quality and innovation has earned us a reputation as a trusted partner for businesses looking to improve their operations and efficiency.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#204 in Chicago, IL

#877 in Illinois

#17,382 in US

#33,147 in the World

Chicago, IL, United States of America

Joslyn Corporation

Forward Citations = 294

15 inventors:

David W Tonkiss (4 out of 6 patents)

Francis V Cunningham (4 out of 11 patents)

Frederick W Burtelson (2 out of 11 patents)

4. Donald J Akers (2 out of 3 patents)

5. Wayne B Wolcott (2 out of 6 patents)

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