US Patent - Des. 115,165 - Curtis Color Camera
Not very exciting though. Haven't found the goods yet.
edit: Adding some as I come across them; haven't read any yet though.
USP 1,895,555 - Emil Reckmeier 1933 - (example of camera)
USP 1,951,896 - Bermpohl 1934
Last edited by holmburgers; 03-06-2012 at 03:20 PM. Click to view previous post history.