For the Inventor, By the Inventor

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St. Louis, MO, United States of America

Pf Controls, LLC

USPTO Granted Patents = 1

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Christopher Gordon Gervase Turner (1 out of 27 patents)

Graham P Bloy (1 out of 13 patents)

Christopher Derek Hook (1 out of 1 patent)

4. Thomas Ellinwood (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8451121 - Calibration and operational assurance method and apparatus for RFID object monitoring system (2013-05-28),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#668 in St. Louis, MO

#1,890 in Missouri

#133,947 in US

St. Louis, MO, United States of America

Pf Controls, LLC

Forward Citations = 2

4 inventors:

Christopher Gordon Gervase Turner (1 out of 27 patents)

Graham P Bloy (1 out of 13 patents)

Christopher Derek Hook (1 out of 1 patent)

4. Thomas Ellinwood (1 out of 1 patent)

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