| 1920 ARGYLE Car Door Operating Mechanism Patent |
| 1939 ARGYLE Railway Car Underframe Patent Print |
| 1925 ARGYLE Hopper Car And The Like Patent Print |
| 1921 ARGYLE Convertible Box Car Patent Print Art |
| 1932 ARGYLE Railway Dump Car Construction Patent |
| 1922 ARGYLE CAMPBELL Car Construction Patent |
| 1924 ARGYLE Railway Car Construction Patent |
| 1935 ARGYLE Car Door Art Print Patent |
| 1923 ARGYLE Car Door Operating Mechanism Patent |
| 1931 ARGYLE Load Discharging Car Patent Print |
| 1920 ARGYLE CAMPBELL Grain Car Patent Print Art |
| 1933 ARGYLE Load Discharging Gondola Car Patent |
| 1932 ARGYLE Load Discharging Car Patent Print |
| 1928 ARGYLE CAMPBELL Railway Car Patent Print |
| 1932 ARGYLE CAMPBELL Car Construction Patent |
| 1921 ARGYLE CAMPBELL Dumping Car Patent Print |
| 1933 ARGYLE Load Discharging Car Patent Print |
| 1927 ARGYLE CAMPBELL Car Construction Patent |
| 1926 ARGYLE Car Door Operating Mechanism Patent |
| 1939 ARGYLE Load Discharging Car Patent Print |
| 1923 ARGYLE CAMPBELL Hopper Car Patent Print Art |
| 1921 ARGYLE Tank Car Constructon Patent Print |
| 1933 ARGYLE Hopper Car Construction Patent Print |
| 1924 ARGYLE Load Discharging Car Patent Print |
| 1925 ARGYLE Car Door Operating Mechanism Patent |
| 1945 ARGYLE Multiservice Ballast Car Patent |
| 1922 ARGYLE Convertible Stock Car Patent Print |
| 1924 ARGYLE CAMPBELL Hopper Dump Car Patent |
| 1923 ARGYLE Dump Car Art Print Patent |