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For the Inventor, By the Inventor

St. Louis Park, MN, United States of America

Embro Corporation


USPTO Granted Patents = 14

% Expired Patents = 35.7


Forward Citations = 367

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2 inventors (with patents filed for the assignee):

goldMedal David R Knighton (14 out of 21 patents)

silverMedal Vance D Fiegel (14 out of 20 patents)


14 patents:

1. 9795809 - Use of moss to improve dental health (2017-10-24),
2. 9005449 - Use of moss to reduce disinfection by-products in water treated with disinfectants (2015-04-14),
3. 8777835 - Vein harvesting system and method (2014-07-15),
4. 7959553 - Vein harvesting system and method (2011-06-14),
5. 7691084 - Therapeutic device and system (2010-04-06),
6. 7625489 - Methods of treating water using devices for water treatment (2009-12-01),
7. 7625486 - Devices for water treatment (2009-12-01),
8. 7497947 - Devices for water treatment (2009-03-03),
9. 7396345 - Therapeutic device and system (2008-07-08),
10. 7211040 - Vein harvesting system and method (2007-05-01),
11. 6705986 - Vein harvesting system and method (2004-03-16),
12. 6558313 - Vein harvesting system and method (2003-05-06),
13. 6551280 - Therapeutic device and system (2003-04-22),
14. 6511494 - Vein harvesting system and method (2003-01-28),
Embro Corporation is a leading global technology company specializing in innovative solutions for diverse industries. With a commitment to excellence, Embro Corporation delivers cutting-edge products and services to drive client success. Our team of experts is dedicated to providing superior customer satisfaction, fostering strategic partnerships, and pushing the boundaries of technological advancements. Visit our website to learn more about our wide range of offerings and how we can empower your business.
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USPTO Data Jan 1 1976 - Sep 15 2026

14 Patents

#4 in St. Louis Park, MN

#645 in Minnesota

#22,262 in US

#42,118 in the World

St. Louis Park, MN (US)
St. Louis Park, MN, United States of America

Embro Corporation

Forward Citations = 367

2 inventors:

goldMedal David R Knighton (14 out of 21 patents)

silverMedal Vance D Fiegel (14 out of 20 patents)

Please report any incorrect information to [email protected]
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