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For the Inventor, By the Inventor

Coon Rapids, MN, United States of America

Endotronics, Inc.


USPTO Granted Patents = 13

Forward Citations = 891

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19 inventors (with patents filed for the assignee):

goldMedal William H Harm (4 out of 6 patents)

silverMedal Bruce P Amiot (2 out of 3 patents)

bronzeMedal John R Wilson (2 out of 2 patents)

4.  Raji A Shankar (2 out of 2 patents)

5.  Georgiann B Melink (2 out of 2 patents)

6.  Micheal L Gruenberg (2 out of 2 patents)

7.  Robert D Walker (2 out of 4 patents)

8.  Ray F Cracauer (2 out of 2 patents)

9.  William A Gaines, Jr (1 out of 1 patent)

10.  Darrell P Page (1 out of 1 patent)

11.  Bert R Bach (1 out of 7 patents)

12.  Martin H Banas (1 out of 1 patent)

13.  Scott T Waniger (1 out of 1 patent)

14.  Allen S Reichler (1 out of 1 patent)

15.  Ewald Kowol (1 out of 1 patent)


13 patents:

1. 5631006 - Immunotherapy protocol of culturing leukocytes in the presence of (1997-05-20),
2. 5541105 - Method of culturing leukocytes (1996-07-30),
3. 5330915 - Pressure control system for a bioreactor (1994-07-19),
4. 5202254 - Process for improving mass transfer in a membrane bioreactor and (1993-04-13),
5. 5079168 - Cell culture apparatus (1992-01-07),
6. 4973558 - Method of culturing cells using highly gas saturated media (1990-11-27),
7. 4804628 - Hollow fiber cell culture device and method of operation (1989-02-14),
8. D297620 - Multi-port cap fitting for a flask (1988-09-13),
9. 4722902 - Apparatus and method for culturing cells, removing waste and (1988-02-02),
10. 4650766 - Culturing apparatus (1987-03-17),
11. 4647539 - Method and apparatus for growing cells in vitro (1987-03-03),
12. 4629686 - Apparatus for delivering a controlled dosage of a chemical substance (1986-12-16),
13. 4618586 - Apparatus for administering a controlled dosage of a chemical substance (1986-10-21),
Company Overview
Endotronics, Inc. is a technology company based in Coon Rapids, Minnesota, specializing in innovative medical devices and solutions for gastrointestinal health. The organization focuses on developing advanced monitoring systems that enhance patient care and improve clinical outcomes. By leveraging cutting-edge technology, Endotronics aims to provide healthcare professionals with tools that facilitate better diagnosis and treatment of gastrointestinal disorders, ultimately contributing to the advancement of medical practices in this critical field.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#1 in Coon Rapids, MN

#687 in Minnesota

#23,838 in US

#45,039 in the World

Coon Rapids, MN (US)
Coon Rapids, MN, United States of America

Endotronics, Inc.

Forward Citations = 891

19 inventors:

goldMedal William H Harm (4 out of 6 patents)

silverMedal Bruce P Amiot (2 out of 3 patents)

bronzeMedal John R Wilson (2 out of 2 patents)

4.  Raji A Shankar (2 out of 2 patents)

5.  Georgiann B Melink (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Endotronics, Inc.. Retrieved from https://idiyas.com/company/endotronics

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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