US Patent 5305721 for the rotary engine.
Printed on Archival matte art paper.
The present invention relates to rotary Wankel type engines, and more particularly to such an engine which provides improved operation in the form of improved fuel charging.
Level frames are made from Maple or Walnut sourced from FSC-certified, sustainably-harvested forests. Learn more about our frames here. Level prints with color calibrated, high quality Canon and Epson printers. All printers use pigmented inks, which are recommended for longevity of fine art.