Enter assignee name

Forward Citations = 183

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4 inventors (with patents filed for the assignee):

John C Hamma (12 out of 24 patents)

R Clark DuBois (11 out of 33 patents)

Frederick J Lawrence (7 out of 23 patents)

4. R Clark Du Bois (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. D271882 - Universal sorter (1983-12-20),

2. D271775 - Copying and sorting apparatus (1983-12-13),

3. D270253 - Combined copying and sorting machine (1983-08-23),

4. 4397461 - Sorting machine (1983-08-09),

5. 4343463 - Compact sorter (1982-08-10),

6. D265564 - Continuous form feeding and copying apparatus (1982-07-27),

7. 4337936 - Compact sorter (1982-07-06),

8. 4332377 - Compact sorter (1982-06-01),

9. 4328963 - Compact sorter (1982-05-11),

10. D264220 - Copying and sorting apparatus (1982-05-04),

11. D264093 - Copying and sorting apparatus (1982-04-27),

12. D264092 - Continuous form feeding and copying apparatus (1982-04-27),

13. D263850 - Continuous form feeding and copying apparatus (1982-04-13),

14. D263849 - Copying and sorting apparatus (1982-04-13),

15. D263848 - Copying and sorting apparatus (1982-04-13),

Gradco-dendoki, Inc. is a leading manufacturing company specializing in custom-made industrial machinery and equipment. With a reputation for innovative solutions and high-quality products, Gradco-dendoki, Inc. serves a wide range of industries including automotive, aerospace, and energy. With over 20 years of experience, the company is committed to providing reliable and efficient solutions to meet the unique needs of their clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

19 Patents

#23 in Newport Beach, CA

#3,966 in California

#16,595 in US

#31,677 in the World

Newport Beach, CA, United States of America

Gradco-dendoki, Inc.

Forward Citations = 183

4 inventors:

John C Hamma (12 out of 24 patents)

R Clark DuBois (11 out of 33 patents)

Frederick J Lawrence (7 out of 23 patents)

4. R Clark Du Bois (1 out of 1 patent)

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