For the Inventor, By the Inventor

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Saint Paul, MN, United States of America

Minnesota Scientific, Inc.

USPTO Granted Patents = 41

% Expired Patents = 34.1

Trademarks = 2

Forward Citations = 3,187

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15 inventors (with patents filed for the assignee):

Todd William Sharratt (15 out of 22 patents)

Walter John Dobrovolny (12 out of 26 patents)

Bruce A LeVahn (9 out of 9 patents)

4. Todd Bjork (6 out of 17 patents)

5. Steven M LeVahn (6 out of 6 patents)

6. Christopher Lee Berg (6 out of 6 patents)

7. Robert E Olson (3 out of 3 patents)

8. Steven C Christian (2 out of 35 patents)

9. Peter R Rosendahl (2 out of 3 patents)

10. Robert J Ballantine (2 out of 2 patents)

11. Adelbert Gorham (1 out of 3 patents)

12. Bruce Bartie (1 out of 1 patent)

13. Lee Bolduc (1 out of 1 patent)

14. Dermot Halpin (1 out of 1 patent)

15. Hassan Rastegar (1 out of 1 patent)

Core Competencies:

Articulated Retractor

Fulcrum Wedge Clamp

Surgical Support Arm

Clamp Mechanism

Multi-Position Holder

Laparoscopic Retractor

Humerus Retraction

Hip Retraction

Minimally Invasive Surgery

Retractor Assembly

Ball Socket Clamping

Quick Release Mechanism

41 patents: Sort by Forward Citations

1. 7753844 - Articulated retractor blade holder (2010-07-13),

2. 7458933 - Method for knee-joint surgery (2008-12-02),

3. 7320666 - Fulcrum wedge clamp (2008-01-22),

4. 7309312 - Apparatus for retaining otherwise hand-held retractors and method of use (2007-12-18),

5. 7297107 - Fulcrum wedge clamp (2007-11-20),

6. 7264589 - Method for humerus retraction (2007-09-04),

7. 7156806 - Stabilized table rail clamp (2007-01-02),

8. 7125379 - Surgical support arm docking apparatus (2006-10-24),

9. 7097616 - Surgical clamp (2006-08-29),

10. 6974412 - Cam-wedge locking mechanism (2005-12-13),

11. 6932765 - Apparatus for retaining otherwise hand-held retractors (2005-08-23),

12. 6663563 - Fastening system for retractor support (2003-12-16),

13. 6659944 - Table mounted retractor (2003-12-09),

14. 6602190 - Multi-position spherical retractor holder (2003-08-05),

15. 6572540 - Cam-wedge locking mechanism (2003-06-03),

Minnesota Scientific, Inc., based in Saint Paul, MN, specializes in the development and manufacturing of advanced surgical retractors and clamp mechanisms. The company focuses on enhancing surgical procedures, particularly in knee-joint and hip surgeries, through innovative retraction solutions. Their product line includes laparoscopic retractors and support systems designed for minimally invasive surgery, aiming to improve surgical outcomes and patient safety. Minnesota Scientific is committed to advancing surgical technology and supporting healthcare professionals in their critical work.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

41 Patents

#33 in Saint Paul, MN

#245 in Minnesota

#8,427 in US

#16,669 in the World

Saint Paul, MN, United States of America

Minnesota Scientific, Inc.

Forward Citations = 3,187

15 inventors:

Todd William Sharratt (15 out of 22 patents)

Walter John Dobrovolny (12 out of 26 patents)

Bruce A LeVahn (9 out of 9 patents)

4. Todd Bjork (6 out of 17 patents)

5. Steven M LeVahn (6 out of 6 patents)

Please report any incorrect information to [email protected]

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