| 1933 SPRING ALVA Firing Device Patent Print Art |
| 1944 DOW ALVA Gun Stabilizer Patent Print Art |
| 1951 ALVA Dual Purpose Self Unloader Ship Patent |
| 1946 ALVA Air Brake Slack Adjuster Patent Print |
| 1933 ALVA MAHANNAH Grain Door Patent Print Art |
| 1961 LEACH ALVA Log Bunk Patent Print Art |
| 1948 ALVA SMITH Ship Hold Patent Print Art |
| 1927 CALLIS ALVA Blasting Cartridge Patent Print |
| 1932 ALVA C WASHBURNE Firearm Patent Print Art |
| 1938 FELIX ALVA Amusement Device Patent Print |
| 1927 CALLIS ALVA Powder Charger Patent Print Art |
| 1949 SOUTHWICK ALVA Hanger Patent Print Art |
| 1923 EGGER ALVA Truck Unloader Patent Print Art |
| 1922 ALVA LANG Collapsible Coop Patent Print Art |
| 1933 KITSELMAN ALVA Roller Skate Patent Print |
| 1949 DAVIS ALVA Refrigerator Truck Patent Print |
| 1929 COOPER ALVA Blow Out Shoe Patent Print Art |
| 1926 ALVA NEBERGALL Poultry Feeder Patent Print |
| 1928 SCOTT ALVA Locking Handwheel Patent Print |
| 1941 ALVA MCEWEN Freight Car Bulkhead Patent |