Trademarks = 5

Forward Citations = 52

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2 inventors (with patents filed for the assignee):

Leslie D Rikker (4 out of 8 patents)

Philip C Howlett (1 out of 6 patents)

5 patents: Sort by Forward Citations

1. 4368984 - Mixer apparatus (1983-01-18),

2. 4190369 - Method and apparatus for making molds (1980-02-26),

3. 4177952 - Impact scrubber (1979-12-11),

4. 4121646 - Method and apparatus for making molds (1978-10-24),

5. 4098494 - Method and apparatus for making battery paste (1978-07-04),

National Engineering Company is a reputable engineering firm with over 20 years of experience in providing top-notch engineering solutions to clients across various industries. Our team of skilled engineers and technicians are dedicated to delivering high-quality services and products that meet the needs and specifications of our clients. From design and development to implementation and maintenance, we offer a comprehensive range of engineering services to ensure the success of every project. Contact us today to learn more about how we can help with your engineering needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#555 in Chicago, IL

#2,360 in Illinois

#50,165 in US

Chicago, IL, United States of America

National Engineering Company

Forward Citations = 52

2 inventors:

Leslie D Rikker (4 out of 8 patents)

Philip C Howlett (1 out of 6 patents)

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