American Patent :Paper lifting device No. US000001065092

Description

This is an american patent for improvement in the mechanism of a paper lifting device; here, also used to realize a convertible rooftop mechanism of a car. The structure is similar. It has been patented by Clarence Steere of Chicago, USA on June 1913 with Carl Wolfermann as the witness.

Links

Immagini: American Patent :Paper lifting device No. US000001065092

Usage