For the Inventor, By the Inventor

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Libertyville, IL, United States of America

Morton Manufacturing Company

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 11

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4 inventors (with patents filed for the assignee):

Jeffery W Covert (2 out of 2 patents)

Richard D Curtis (1 out of 6 patents)

William C Morton (1 out of 1 patent)

4. George R DePrima (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6640388 - Assembly for transit car door hanger (2003-11-04),

2. 5735155 - Method for manufacturing patterned tread plates (1998-04-07),

3. 4854078 - Curved sliding door assembly and method of repair (1989-08-08),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#24 in Libertyville, IL

#3,360 in Illinois

#71,953 in US

Libertyville, IL, United States of America

Morton Manufacturing Company

Forward Citations = 11

4 inventors:

Jeffery W Covert (2 out of 2 patents)

Richard D Curtis (1 out of 6 patents)

William C Morton (1 out of 1 patent)

4. George R DePrima (1 out of 1 patent)

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