13D Filing: Carl W Dinger III and Mfri Inc (NASDAQ:MFRI)

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(Shelby C. Dinger, individually)

 

<Shelby C. Dinger>


 

(Kenneth E. Stroup Jr., individually)

 

<Kenneth E. Stroup, Jr.>


Follow Perma-Pipe International Holdings Inc. (NASDAQ:PPIH)

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