For the Inventor, By the Inventor

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Salt Lake City, UT, United States of America

Mdc Investment Holdings, Inc.

USPTO Granted Patents = 38

CIPO Patents = 2

EPO Patents = 2

Trademarks = 1

Forward Citations = 3,256

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13 inventors (with patents filed for the assignee):

Thor R Halseth (36 out of 60 patents)

Michael J Botich (32 out of 46 patents)

John Michael Barker (19 out of 108 patents)

4. Robert T McWethy (12 out of 15 patents)

5. Joseph Kovalski (4 out of 4 patents)

6. Bernardo Challiol (4 out of 4 patents)

7. Bradley M Wilkinson (2 out of 178 patents)

8. Robert Hall (2 out of 41 patents)

9. Derek J Harper (1 out of 40 patents)

10. Charles Johnson (1 out of 4 patents)

11. William Saulenas (1 out of 1 patent)

12. Michelle Sullivan (1 out of 1 patent)

13. Robert T Mcwethy (0 patent)

38 patents: Sort by Forward Citations

1. 8308685 - Fluid collection device with captured retractable needle (2012-11-13),

2. RE43141 - Fluid collection device having tilting retractable needle (2012-01-23),

3. 7951108 - Dual chamber mixing syringe and method for use (2011-05-31),

4. 7753887 - Retractable needle medical device (2010-07-13),

5. RE40755 - Needle-bearing medical device (2009-06-22),

6. 7527607 - Hypodermic syringe with retractable needle (2009-05-05),

7. 7524306 - Catheter insertion device with retractable needle (2009-04-28),

8. 7513887 - Fluid collection device having tilting retractable needle (2009-04-07),

9. 7470258 - Pre-filled safety vial injector (2008-12-30),

10. 7458962 - Retractable needle medical device for injecting fluid from a pre-filled cartridge (2008-12-02),

11. 7153276 - Medical device with shield having a retractable needle (2006-12-26),

12. 7097633 - Fluid collection device with captured retractable needle (2006-08-29),

13. 7090656 - Medical devices with retractable needle (2006-08-15),

14. 7056306 - Fluid sampling device with retractable needle (2006-06-06),

15. 7033343 - Retractable needle medical device for injecting fluid from a pre-filled cartridge (2006-04-25),

MDC Investment Holdings, Inc. is a leading global investment firm with a diverse portfolio across various industries. With expertise in financial services, technology, real estate, and consumer goods, we aim to generate superior returns for our investors. Our team of seasoned professionals utilizes a disciplined approach to identify lucrative investment opportunities and drive long-term value. Visit our website to learn more about our investments and how we can help you grow your wealth.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

38 Patents

#34 in Salt Lake City, UT

#94 in Utah

#8,722 in US

#17,288 in the World

Salt Lake City, UT, United States of America

Mdc Investment Holdings, Inc.

Forward Citations = 3,256

13 inventors:

Thor R Halseth (36 out of 60 patents)

Michael J Botich (32 out of 46 patents)

John Michael Barker (19 out of 108 patents)

4. Robert T McWethy (12 out of 15 patents)

5. Joseph Kovalski (4 out of 4 patents)

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