Forward Citations = 75

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14 inventors (with patents filed for the assignee):

Howard L Propheter (3 out of 3 patents)

Dean E Gladow (1 out of 6 patents)

Terry N Faddis (1 out of 3 patents)

4. Carlton A Bird (1 out of 1 patent)

5. Frank Ury (1 out of 1 patent)

6. John B Howard (1 out of 1 patent)

7. Gary L Romine (1 out of 2 patents)

8. Woodrow W Pendleton (1 out of 1 patent)

9. Daniel D Dillinger (1 out of 1 patent)

10. Ronnie L Rodvelt (1 out of 1 patent)

11. Thomas D Parks (1 out of 1 patent)

12. Michael L Shackelford (1 out of 1 patent)

13. Wayne L Osborn (1 out of 2 patents)

14. Paul D Naab (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 4787313 - Printing press using shiftable inking means (1988-11-29),

2. 4621574 - Dual form planetary inker (1986-11-11),

3. 4594926 - File hole punch ring apparatus for web fed paper conveying mechanism (1986-06-17),

4. 4577527 - Differential drive mechanism (1986-03-25),

5. 4557684 - Bender for synthetic resin printing plates (1985-12-10),

6. 4524692 - Electronic ink flow control for printing (1985-06-25),

7. 4469266 - Feed and lock mechanism for multiple bar draped web collator and method (1984-09-04),

8. 4363270 - Harmonic phasing device for printing press (1982-12-14),

Company Overview

Didde Graphic Systems Corporation is a leading manufacturer of offset printing presses and related equipment. With a history dating back to 1968, the company has a strong reputation for quality and innovation in the printing industry. Offering a range of products and services, Didde Graphic Systems is dedicated to helping customers achieve their printing goals efficiently and effectively.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

8 Patents

#5 in Emporia, KS

#312 in Kansas

#35,893 in US

Emporia, KS, United States of America

Didde Graphic Systems Corporation

Forward Citations = 75

14 inventors:

Howard L Propheter (3 out of 3 patents)

Dean E Gladow (1 out of 6 patents)

Terry N Faddis (1 out of 3 patents)

4. Carlton A Bird (1 out of 1 patent)

5. Frank Ury (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Didde Graphic Systems Corporation. Retrieved from https://idiyas.com/company/didde-graphic-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]