Forward Citations = 96

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3 inventors (with patents filed for the assignee):

James Edward McCambridge (4 out of 56 patents)

Arthur H Eichholz (2 out of 2 patents)

Siebolt Hettinga (1 out of 37 patents)

6 patents: Sort by Forward Citations

1. 4783878 - Vacuum cleaner (1988-11-15),

2. 4688293 - Vacuum cleaner (1987-08-25),

3. 4654926 - Vacuum cleaner (1987-04-07),

4. 4485944 - Dispenser with quick-release drive screw (1984-12-04),

5. 4350193 - Power tool accessory table (1982-09-21),

6. 3996641 - Tipping force reducing apparatus (1976-12-14),

Central Quality Industries, Inc. is a leading provider of industrial services and solutions. With a focus on quality and customer satisfaction, we offer a wide range of services including machining, fabrication, and assembly. Our experienced team is dedicated to delivering reliable and efficient solutions to meet the diverse needs of our clients. Visit our website to learn more about our capabilities and how we can support your business.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

6 Patents

#1 in Polo, IL

#2,055 in Illinois

#43,751 in US

Polo, IL, United States of America

Central Quality Industries, Inc.

Forward Citations = 96

3 inventors:

James Edward McCambridge (4 out of 56 patents)

Arthur H Eichholz (2 out of 2 patents)

Siebolt Hettinga (1 out of 37 patents)

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