For the Inventor, By the Inventor

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Gardena, CA, United States of America

Mdt Chemical Company

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 60

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4 inventors (with patents filed for the assignee):

Robert R Runnells (2 out of 9 patents)

Rodney B Larkin (1 out of 3 patents)

Peter A Haak (1 out of 2 patents)

4. C Keith Vandervelden (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4447399 - Combination steam and unsaturated chemical vapor sterilizer (1984-05-08),

2. 3937236 - Ultrasonic cleaning device (1976-02-10),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#65 in Gardena, CA

#20,553 in California

#92,630 in US

Gardena, CA, United States of America

Mdt Chemical Company

Forward Citations = 60

4 inventors:

Robert R Runnells (2 out of 9 patents)

Rodney B Larkin (1 out of 3 patents)

Peter A Haak (1 out of 2 patents)

4. C Keith Vandervelden (1 out of 1 patent)

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