| 1931 SCHWENTLER Fluid Pressure Brake Patent |
| 1947 HEWITT Fluid Pressure Brake Patent Print |
| 1938 FITCH Fluid Pressure Brake Patent Print Art |
| 1924 MORIARTY Fluid Recoil Brake For Guns Patent |
| 1923 FARMER Fluid Pressure Brake Patent Print |
| 1945 HENRY Fluid Pressure Brake Patent Print Art |
| 1936 SILLCOX Fluid Pressure Brake Patent Print |
| 1926 FARMER Fluid Pressure Brake Patent Print |
| 1931 JOYCE Fluid Brake Mechanism Patent Print |
| 1950 WILLIAM Fluid Operated Brake System Patent |
| 1938 STEWART Fluid Pressure Brake Patent Print |
| 1939 FARMER Fluid Pressure Brake Patent Print |
| 1951 BURCKHALTER Rotary Fluid Brake Patent Print |
| 1933 HEWITT Fluid Pressure Brake Patent Print |
| 1926 DOWN SIDNEY Fluid Pressure Brake Patent |
| 1933 MCCUNE Fluid Pressure Brake Patent Print |
| 1927 THOMAS Fluid Pressure Brake Patent Print |
| 1926 DAPRON Fluid Pressure Brake Patent Print |
| 1924 FARMER Fluid Pressure Brake Patent Print |
| 1943 LUCHT VICTOR Fluid Brake Patent Print Art |
| 1938 FARMER Fluid Pressure Brake Patent Print |
| 1937 MCCUNE Fluid Pressure Brake Patent Print |
| 1964 BEACH Rotary Fluid Brake Means Patent Print |
| 1895 JAMES Fluid Pressure Brake Patent 18417 |