Forward Citations = 76

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4 inventors (with patents filed for the assignee):

Larry L Stille (5 out of 5 patents)

Keith A Braun (4 out of 4 patents)

Dennis A Brumwell (2 out of 22 patents)

4. John F Johannsen (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5144755 - Grain dryer control system and method using moisture sensor (1992-09-08),

2. 5106339 - Moisture monitor system and method for combine harvester (1992-04-21),

3. 4916830 - Grain dryer control system and method using moisture sensor (1990-04-17),

4. 4374621 - Apparatus for controlling power delivery to a grain stirring device (1983-02-22),

5. 4312750 - Grain cleaning apparatus (1982-01-26),

6. 4152840 - Grain dryer control system (1979-05-08),

David Manufacturing Company is a leading provider of high-quality industrial equipment and machinery. With over 50 years of experience, we specialize in designing and manufacturing custom solutions for a wide range of industries. Our exceptional team of engineers and technicians work tirelessly to ensure our products meet the highest standards of quality and reliability. Contact us today to learn more about how we can help your business thrive.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

6 Patents

#2 in Mason City, IA

#267 in Iowa

#43,751 in US

Mason City, IA, United States of America

David Manufacturing Company

Forward Citations = 76

4 inventors:

Larry L Stille (5 out of 5 patents)

Keith A Braun (4 out of 4 patents)

Dennis A Brumwell (2 out of 22 patents)

4. John F Johannsen (1 out of 1 patent)

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