| 1920 LEE CHARLES Fan Propeller &C Patent Print |
| 1924 HOFFMANN CHARLES Propeller Blade Patent |
| 1923 HALL CHARLES Aircraft Propeller Patent |
| 1926 CHARLES Propeller Or Blower Patent Print |
| 1920 SANFORD CHARLES Propeller Patent Print Art |
| 1927 MARSHALL CHARLES Propeller Patent Print Art |
| 1922 HALL CHARLES Aircraft Propeller Patent |
| 1954 CHARLES Propeller Patent Print Art |
| 1935 WARD CHARLES Ship Propeller Patent Print |
| 1934 ECKHOLD CHARLES Propeller Patent Print Art |
| 1936 CHARLES Automatic Change Pitch Propeller |
| 1951 CHARLES Variable Pitch Propeller Patent |
| 1924 CHARLES Compensating Propeller Patent Print |
| 1922 CHARLES Propeller For Aeroplanes Patent |
| 1921 CASPAR CHARLES Propeller Patent Print Art |
| 1925 CHARLES Auxiliary Propeller Patent Print |
| 1922 CHARLES KING J Paddle Propeller Patent |
| 1944 CHARLES Controllable Pitch Propeller Patent |
| 1930 SMITH CHARLES Aeroplane Propeller Patent |
| 1954 CHARLES ANDERSEN Propeller Patent Print Art |