Trademarks = 4

Forward Citations = 106

Loading Chart...

9 inventors (with patents filed for the assignee):

Danny E Crawford (2 out of 3 patents)

Teddy N Trainer (2 out of 2 patents)

Dennis P Rolph (2 out of 3 patents)

4. Doug Rogge (1 out of 1 patent)

5. Douglas A Rogge (1 out of 1 patent)

6. Dan E Crawford (1 out of 1 patent)

7. Scott A Girkin (1 out of 1 patent)

8. Thomas A Bartz (1 out of 1 patent)

9. Trevor J Crawford (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5743061 - Wall anchor (1998-04-28),

2. 5711043 - Set tool and cap (1998-01-27),

3. 5221167 - Security head anchor (1993-06-22),

4. 5215418 - Single direction toggle anchor (1993-06-01),

5. 5038435 - Anchor set tool (1991-08-13),

6. 4954025 - Anchor set tool (1990-09-04),

7. 4917552 - Pin drive anchor with locking sleeve (1990-04-17),

Diversified Fastening Systems, Inc. (DFS) is a leading provider of fastening solutions for a wide range of industries. With over 20 years of experience, DFS offers a diverse portfolio of products including screws, bolts, nuts, and washers. Their commitment to quality, service, and innovation has made them a trusted partner for customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

7 Patents

#2 in Charles City, IA

#238 in Iowa

#38,792 in US

Charles City, IA, United States of America

Diversified Fastening Systems, Inc.