You might be interested to know that my father was a structural engineer at Noorduyn from 1940 to 1945. I have his ID card and some other interesting memorabelia.
If you are interested I will send you some scanned pictures.
Company patch-- workers would sew this patch onto their jackets
The Noorduyn Company Lapel Pin
If you have any Norseman company memorabelia you would like to see here please email me a copy.