For the Inventor, By the Inventor

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Saint Paul, MN, United States of America

Ideal Security Hardware Corporation

USPTO Granted Patents = 13

Forward Citations = 83

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10 inventors (with patents filed for the assignee):

Russell W Waldo (5 out of 7 patents)

Cardell E Miller (3 out of 9 patents)

Leo F Wildgen (3 out of 9 patents)

4. George L Engstrom (2 out of 3 patents)

5. Gene A Tracy (1 out of 7 patents)

6. Cardel E Miller (1 out of 1 patent)

7. Harvey F Berg (1 out of 4 patents)

8. Walter Arneberg (1 out of 1 patent)

9. John Thorson (1 out of 1 patent)

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

13 patents: Sort by Forward Citations

1. D292172 - Deadbolt lock for hinged doors (1987-10-06),

2. D290684 - Door latch (1987-07-07),

3. 4632439 - Door latching apparatus (1986-12-30),

4. D285528 - Jamb bracket (1986-09-09),

5. 4588221 - Segmented door opener (1986-05-13),

6. D280074 - Storm door handle unit (1985-08-13),

7. D280073 - Combined door opener and escutcheon unit (1985-08-13),

8. 4514878 - Reversible adjustable torsion door closer (1985-05-07),

9. 4438544 - Looped rod safety stop (1984-03-27),

10. 4332407 - Automatically locking crossbolt deadlock (1982-06-01),

11. D246757 - Combined door pull and escutcheon (1977-12-27),

12. 4063765 - Automatically locking crossbolt deadlock (1977-12-20),

13. 4061383 - Automatically locking crossbolt deadlock (1977-12-06),

Ideal Security Hardware Corporation specializes in providing high-quality door hardware and security solutions for residential and commercial properties. With a wide range of products including locks, handles, hinges, and access control systems, Ideal Security Hardware Corporation is dedicated to ensuring the safety and security of its customers' homes and businesses.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

13 Patents

#90 in Saint Paul, MN

#673 in Minnesota

#23,107 in US

#43,635 in the World

Saint Paul, MN, United States of America

Ideal Security Hardware Corporation

Forward Citations = 83

10 inventors:

Russell W Waldo (5 out of 7 patents)

Cardell E Miller (3 out of 9 patents)

Leo F Wildgen (3 out of 9 patents)

4. George L Engstrom (2 out of 3 patents)

5. Gene A Tracy (1 out of 7 patents)

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