For the Inventor, By the Inventor

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Carthage, MO, United States of America

Steadley Company

USPTO Granted Patents = 14

Forward Citations = 204

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9 inventors (with patents filed for the assignee):

Martin Schulz, Jr (9 out of 17 patents)

Chester R Yates (3 out of 9 patents)

Billie G Pieper (2 out of 2 patents)

4. David Warner (2 out of 2 patents)

5. Lonnie R Harmon (1 out of 1 patent)

6. Steven J Adams (1 out of 1 patent)

7. James Rogers Lawrence (1 out of 1 patent)

8. Guy E Hall (1 out of 1 patent)

9. James E Bane (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 5622357 - Foundation unit and method of making the same (1997-04-22),

2. 5497979 - Foundation unit, wire element for the foundation unit, and method of (1996-03-12),

3. 5375820 - Drop-in unit, grid insert therefor and method of making same (1994-12-27),

4. 5149064 - Foundation unit edge support system (1992-09-22),

5. 5134763 - Core insert machine and process (1992-08-04),

6. 5005809 - Spring element for a foundation unit and foundation unit employing a (1991-04-09),

7. 4903949 - Foundation unit having collapsible support members (1990-02-27),

8. 4809958 - Foundation unit having spring wire elements (1989-03-07),

9. 4770397 - Spring wire element for foundation unit (1988-09-13),

10. 4377279 - Steel wire foundation (1983-03-22),

11. 4122566 - Foundation unit having a posturized inner border (1978-10-31),

12. 4101993 - Wire spring assembly and components (1978-07-25),

13. 4074372 - Foundation unit frame (1978-02-21),

14. 3953903 - Spring unit support and assembly (1976-05-04),

Steadley Company, based in Carthage, Missouri, specializes in the development and manufacturing of advanced industrial solutions. The company focuses on providing innovative products and services that enhance operational efficiency across various sectors. With a commitment to quality and technological advancement, Steadley engages in research and development activities aimed at improving processes and outcomes in its target markets. Its expertise spans multiple domains, positioning it as a key player in the industrial landscape.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#3 in Carthage, MO

#319 in Missouri

#22,302 in US

#42,199 in the World

Carthage, MO, United States of America

Steadley Company

Forward Citations = 204

9 inventors:

Martin Schulz, Jr (9 out of 17 patents)

Chester R Yates (3 out of 9 patents)

Billie G Pieper (2 out of 2 patents)

4. David Warner (2 out of 2 patents)

5. Lonnie R Harmon (1 out of 1 patent)

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