For the Inventor, By the Inventor

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Cross Plains, WI, United States of America

Roto Zip Tool Corporation

USPTO Granted Patents = 12

Trademarks = 1

Forward Citations = 512

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11 inventors (with patents filed for the assignee):

Robert K Kopras (9 out of 17 patents)

Scott Peter Adler (7 out of 15 patents)

Cory R Boudreau (5 out of 61 patents)

4. Ryan W Rindy (3 out of 18 patents)

5. Daniel Bullis (3 out of 9 patents)

6. Jason R Kopras (2 out of 6 patents)

7. Rick W Walker (1 out of 17 patents)

8. Douglas E Seals (1 out of 9 patents)

9. Larry Gunseor (1 out of 5 patents)

10. Vincent Haley (1 out of 4 patents)

11. Jeffrey R Walker (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. D473770 - Power tool with automatic locking depth guide (2003-04-30),

2. D466775 - Flexible shaft cutting tool (2002-12-11),

3. D465712 - Power tool with automatic locking depth guide (2002-11-20),

4. D465393 - Automatic locking depth guide (2002-11-13),

5. 6443676 - Automatic locking depth guide for cutting tools and the like (2002-09-03),

6. 6443675 - Hand-held power tool (2002-09-03),

7. D439484 - Spiral cutting tool with handle (2001-03-28),

8. D439122 - Spiral cutting tool (2001-03-21),

9. 6048260 - Angle attachment for power tool (2000-04-11),

10. 5902080 - Spiral cutting tool with detachable battery pack (1999-05-11),

11. 5323823 - Wood router bit (1994-06-28),

12. 5143490 - Bit for cutting sheetrock (1992-09-01),

Roto Zip Tool Corporation is a leading manufacturer of high-performance rotary tools for cutting, drilling, and shaping various materials. With a history of innovation and quality craftsmanship, Roto Zip tools are trusted by professionals and DIY enthusiasts alike for precision and efficiency in their projects.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

12 Patents

#2 in Cross Plains, WI

#564 in Wisconsin

#24,831 in US

#46,738 in the World

Cross Plains, WI, United States of America

Roto Zip Tool Corporation

Forward Citations = 512

11 inventors:

Robert K Kopras (9 out of 17 patents)

Scott Peter Adler (7 out of 15 patents)

Cory R Boudreau (5 out of 61 patents)

4. Ryan W Rindy (3 out of 18 patents)

5. Daniel Bullis (3 out of 9 patents)

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