For the Inventor, By the Inventor

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Peoria, IL, United States of America

Keystone Consolidated Industries, Inc.

USPTO Granted Patents = 33

Trademarks = 30

Forward Citations = 713

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29 inventors (with patents filed for the assignee):

Dwight W Glass (3 out of 4 patents)

John L Orr (3 out of 3 patents)

Robert L Dauenbaugh (3 out of 3 patents)

4. Dagfinn O Amdal (3 out of 3 patents)

5. Clark E Craig (3 out of 10 patents)

6. Eric A Johnson, Iii (2 out of 2 patents)

7. Melvin E Moore (2 out of 2 patents)

8. Tom A Budd (2 out of 2 patents)

9. James P Davis (2 out of 2 patents)

10. Valentin Pawlow (2 out of 2 patents)

11. Robert Baker (1 out of 23 patents)

12. Charles E Gutshall (1 out of 7 patents)

13. Kenneth L Roser (1 out of 1 patent)

14. Robert A Sewell (1 out of 1 patent)

15. John M Schill (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 4580423 - Garage door lock mechanism (1986-04-08),

2. D274035 - Pull (1984-05-29),

3. 4440459 - Rotatable shelf hardware (1984-04-03),

4. D273204 - Display sign strip (1984-03-27),

5. 4435966 - Motorcycle saddle bag lock (1984-03-13),

6. D272800 - Pull (1984-02-28),

7. D271464 - Combined knob and escutcheon for cabinets or the like (1983-11-22),

8. 4391319 - Apparatus for introducing elements into molten metal streams and casting (1983-07-05),

9. 4342403 - Box and lid construction (1982-08-03),

10. 4333628 - Perforated board display bracket assembly (1982-06-08),

11. 4309135 - Concrete anchor (1982-01-05),

12. 4306431 - Chest safety lock (1981-12-22),

13. 4256032 - Improved strap guide system (1981-03-17),

14. 4233828 - Changeable combination, axial pin tumbler lock with single interface (1980-11-18),

15. 4228733 - Package strapping device with pallet sensing means (1980-10-21),

Keystone Consolidated Industries, Inc. is a leading manufacturing company specializing in steel and wire products. With over 100 years of experience, Keystone has established itself as a trusted provider of high-quality products for various industries including construction, agriculture, and transportation. From steel rebar to wire fencing, Keystone offers a diverse range of innovative solutions to meet customer needs. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

33 Patents

#7 in Peoria, IL

#539 in Illinois

#9,945 in US

#19,553 in the World

Peoria, IL, United States of America

Keystone Consolidated Industries, Inc.

Forward Citations = 713

29 inventors:

Dwight W Glass (3 out of 4 patents)

John L Orr (3 out of 3 patents)

Robert L Dauenbaugh (3 out of 3 patents)

4. Dagfinn O Amdal (3 out of 3 patents)

5. Clark E Craig (3 out of 10 patents)

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