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For the Inventor, By the Inventor

Peoria, IL, United States of America

Keystone Consolidated Industries, Inc.

USPTO Granted Patents = 33

Trademarks = 26

Forward Citations = 725

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29 inventors (with patents filed for the assignee):

goldMedal Dwight W Glass (3 out of 4 patents)

silverMedal John L Orr (3 out of 3 patents)

bronzeMedal 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)


Core Competencies:
Garage Door Lock
Rotatable Shelf
Motorcycle Saddle Bag Lock
Combined Knob
Casting Apparatus
Concrete Anchor
Changeable Combination Lock
Sewing Machine Positioner
Strap Tensioning Device
Safe Deposit Lock
Privacy Lock
Snap-In Cylinder

33 patents:

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),
Company Overview
Keystone Consolidated Industries, Inc. is a prominent manufacturer specializing in steel and metal products, primarily serving the construction and industrial sectors. The company is known for its innovative solutions in the production of steel wire and related products, contributing to various applications in infrastructure and manufacturing. Headquartered in Peoria, Illinois, Keystone emphasizes quality and efficiency in its operations, leveraging advanced technologies to meet the evolving needs of its clients across North America.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

33 Patents

#7 in Peoria, IL

#562 in Illinois

#10,309 in US

#20,162 in the World

Peoria, IL (US)
Peoria, IL, United States of America

Keystone Consolidated Industries, Inc.

Forward Citations = 725

29 inventors:

goldMedal Dwight W Glass (3 out of 4 patents)

silverMedal John L Orr (3 out of 3 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keystone Consolidated Industries, Inc.. Retrieved from https://idiyas.com/company/keystone-consolidated-industries

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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