| 1921 | Auto Lathe Machine Spare Parts | Company Product |
| 1922 | Auto Lathe Spare Parts | Company Product |
| 1923 | Auto Lub | Company Product |
| 1924 | Auto Lubrication | Company Product |
| 1925 | Auto Lubrication System | Company Product |
| 1926 | Auto Oils | Company Product |
| 1927 | Auto Pp Bands | Company Product |
| 1928 | Auto Scrubbers | Company Product |
| 1929 | Auto Sensor Dispensers | Company Product |
| 1930 | Auto Shot Peening Machines | Company Product |
| 1931 | Auto Sound Systems | Company Product |
| 1932 | Auto Transformers | Company Product |
| 1933 | Auto Transmision Fluids | Company Product |
| 1934 | Auto Transmission Fluid | Company Product |
| 1935 | Auto Transmission Oil Changer | Company Product |
| 1936 | Auto Transmission Products | Company Product |
| 1937 | Auto-Feed Drilling Machines | Company Product |
| 1938 | Auto-Feed Punching Machines | Company Product |
| 1939 | Auto-Greastar System | Company Product |
| 1940 | Auto-Greastar System Automatic Controller | Company Product |
| 1941 | Auto-Ranging Clamp Meters | Company Product |
| 1942 | Autochangeover Systems | Company Product |
| 1943 | Autoclavable | Company Product |
| 1944 | Autoclavable Bag | Company Product |
| 1945 | Autoclaved Aerated Concrete Panels | Company Product |
| 1946 | Autoclaves | Company Product |
| 1947 | Autocollimators | Company Product |
| 1948 | Autocut Control Card | Company Product |
| 1949 | Autogate | Company Product |
| 1950 | Autogate Sliding Motor | Company Product |