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
Image: American Patent :Paper lifting device No. US000001065092
Usage
Date | : | 15.04.2013 |
Location | : | Rheinisch-Westfälische Technische Hochschule Aachen, Germany |