For the Inventor, By the Inventor

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Saint Paul, MN, United States of America

Ideal Security Hardward Corporation

USPTO Granted Patents = 2

Forward Citations = 35

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4 inventors (with patents filed for the assignee):

Cardell E Miller (2 out of 9 patents)

Russell W Waldo (2 out of 7 patents)

George L Engstrom (1 out of 3 patents)

4. Louis D Huot (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 4709445 - Method and apparatus for closing a door (1987-12-01),

2. 4570985 - Locking apparatus for use with a panel slideable in a plane (1986-02-18),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#262 in Saint Paul, MN

#2,484 in Minnesota

#92,551 in US

Saint Paul, MN, United States of America

Ideal Security Hardward Corporation

Forward Citations = 35

4 inventors:

Cardell E Miller (2 out of 9 patents)

Russell W Waldo (2 out of 7 patents)

George L Engstrom (1 out of 3 patents)

4. Louis D Huot (1 out of 2 patents)

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