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Franklin Park, IL, United States of America

Duo-Fast Corporation

USPTO Granted Patents = 52

Trademarks = 1

Forward Citations = 5,412

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35 inventors (with patents filed for the assignee):

Ronald Austin (8 out of 8 patents)

Raymond F Novak (8 out of 8 patents)

Bernard W Geist (7 out of 7 patents)

4. Richard H Doyle (6 out of 7 patents)

5. James E Kerrigan (5 out of 5 patents)

6. John R Nasiatka (4 out of 4 patents)

7. Allen R Obergfell (4 out of 4 patents)

8. Frank R Potucek (4 out of 4 patents)

9. Edmund Frank (4 out of 4 patents)

10. Robert J Meyer (3 out of 3 patents)

11. Raimonds Grikis (3 out of 3 patents)

12. Elmer J Thorsen, Jr (2 out of 2 patents)

13. Ernest F Schaudek (2 out of 2 patents)

14. Masayuki Fujise (1 out of 5 patents)

15. Yuichi Shirasaki (1 out of 7 patents)

Core Competencies:

Fastener Driving Tool

Clinch Staples

Safety Mechanism

Fastener Feeder

Electric Nailer

Magazine Assembly

Corrosion Resistant Fasteners

Feeding Apparatus

Hand Grip

Compression Tacker

Furniture Tool

Core Alignment System

52 patents: Sort by Forward Citations

1. D378345 - Hand grip for fastener driving tool (1997-03-11),

2. 5360305 - Clinch staples and method of manufacturing and applying clinch staples (1994-11-01),

3. 5273200 - Fastener driving tool (1993-12-28),

4. 5174485 - Fastener driving tool (1992-12-29),

5. 5098004 - Fastener driving tool (1992-03-24),

6. 5094380 - Guide for fastener driving tool (1992-03-10),

7. 5080273 - Trigger valve and safety mechanism for fastener driving tool (1992-01-14),

8. 5069379 - Fastener driving tool (1991-12-03),

9. 5054678 - Furniture clip/tool (1991-10-08),

10. 5052607 - Fastener driving tool with pointing device (1991-10-01),

11. 5035354 - Safety dual-interlock system for fastener driving tool (1991-07-30),

12. 5035040 - Hog ring fastener, tool and methods (1991-07-30),

13. 5025968 - Furniture tool (1991-06-25),

14. 4928868 - Fastener driving tool (1990-05-29),

15. 4911522 - Core alignment system for optical fibers (1990-03-27),

Company Overview

Duo-Fast Corporation, headquartered in Franklin Park, Illinois, specializes in the development and manufacturing of fastener driving tools. The company focuses on innovative solutions such as electric nailers, clinch staples, and advanced feeding apparatuses, which enhance efficiency and safety in various fastening applications. With a commitment to quality, Duo-Fast also offers corrosion-resistant fasteners and magazine assemblies, catering to diverse industries that require reliable fastening solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

52 Patents

#7 in Franklin Park, IL

#380 in Illinois

#6,760 in US

#13,545 in the World

Franklin Park, IL, United States of America

Duo-Fast Corporation

Forward Citations = 5,412

35 inventors:

Ronald Austin (8 out of 8 patents)

Raymond F Novak (8 out of 8 patents)

Bernard W Geist (7 out of 7 patents)

4. Richard H Doyle (6 out of 7 patents)

5. James E Kerrigan (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Duo-Fast Corporation. Retrieved from https://idiyas.com/company/duo-fast

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]

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