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For the Inventor, By the Inventor

Kansas City, MO, United States of America

J. F. Pritchard and Company


USPTO Granted Patents = 2

Forward Citations = 62

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3 inventors (with patents filed for the assignee):

goldMedal Frank Peter Richardson (1 out of 1 patent)

silverMedal David Anthony Young (1 out of 1 patent)

bronzeMedal Leonard K Swenson (1 out of 2 patents)


2 patents:

1. 4033735 - Single mixed refrigerant, closed loop process for liquefying natural gas (1977-07-05),
2. 3975508 - Method of prevention and removal of sulfur deposits from H.sub.2 S (1976-08-17),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#162 in Kansas City, MO

#1,290 in Missouri

#92,630 in US

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Kansas City, MO, United States of America

J. F. Pritchard and Company

Forward Citations = 62

3 inventors:

goldMedal Frank Peter Richardson (1 out of 1 patent)

silverMedal David Anthony Young (1 out of 1 patent)

bronzeMedal Leonard K Swenson (1 out of 2 patents)

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