Looking for prop ID

[GRC]

I need help I have a propeller US Propellers Inc. Pasadena CA
# 406-9 and 916 stamped in to the wood, it is 9.5' long what did
it go to?

[Dave]

So far, no one seems to have come up with a directory of U.S. Propellers listings. If you find one, please let us know!