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Trademarks = 58

Forward Citations = 1,261

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3 inventors (with patents filed for the assignee):

John A Cadwell (8 out of 37 patents)

Richard A Villarreal (2 out of 20 patents)

Leonard H Ruff (2 out of 3 patents)

12 patents: Sort by Forward Citations

1. 7230688 - System and method for processing information in a pulse oximeter (2007-06-12),

2. 7072521 - System and method for the compression and quantitative measurement of movement from synchronous video (2006-07-04),

3. 6870109 - System and device for reducing signal interference in patient monitoring systems (2005-03-22),

4. 6805668 - System and method for processing patient polysomnograph data utilizing multiple neural network processing (2004-10-19),

5. 5631667 - Frequency and amplitude measurement tool for electronic displays (1997-05-20),

6. 5593429 - Needle electrode with depth of penetration limiter (1997-01-14),

7. 5566678 - Digital EEG noise synthesizer (1996-10-22),

8. 5482038 - Needle electrode assembly (1996-01-09),

9. 5116304 - Magnetic stimulator with skullcap-shaped coil (1992-05-26),

10. 5047005 - Method and apparatus for magnetically stimulating neurons (1991-09-10),

11. 4994015 - Magnetic stimulator coils (1991-02-19),

12. 4940453 - Method and apparatus for magnetically stimulating neurons (1990-07-10),

Cadwell Industries, Inc. is a leading manufacturer of neurodiagnostic and monitoring equipment. With over 40 years of experience, we provide innovative solutions for healthcare professionals in the fields of EEG, EMG, IONM, and sleep diagnostics. Our products are known for their accuracy, reliability, and ease of use, making Cadwell a trusted partner for medical professionals worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#4 in Kennewick, WA

#545 in Washington

#24,779 in US

#46,665 in the World

Kennewick, WA, United States of America

Cadwell Industries, Inc.

Forward Citations = 1,261

3 inventors:

John A Cadwell (8 out of 37 patents)

Richard A Villarreal (2 out of 20 patents)

Leonard H Ruff (2 out of 3 patents)

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