| 1962 NISSEN Supporting Stand Beam CONOVER Patent 47036 |
| 1940 CONOVER WARREN Outboard Motor Patent Print |
| 1927 CONOVER Day And Night Beacon Patent Print |
| 1932 CONOVER Outboard Motor Boat Patent Print |
| 1962 CONOVER STANLEY Toboggan Patent Print Art |
| 1940 CONOVER Outboard Motor Patent Print Art |
| 1962 NISSEN Bars Supporting Stand CONOVER Patent 47039 |
| 1941 CONOVER WARREN Water Pump Patent Print Art |
| 1944 CONOVER Spring Test Gauge SHEFFIELD Patent 44870 |
| 1964 CONOVER WILLIAM Farrowing Layout Patent |
| 1923 HARVEY CONOVER Doll Patent Print Art |
| 1926 ELLIOTT CONOVER Indicator Patent Print Art |
| 1951 CONOVER SEELY Toy Machine Gun Patent Print |
| 1966 CONOVER Livestock Raising Building Patent |
| 1958 LESLIE CONOVER Automatic Bailers Patent |
| 1941 CONOVER Outboard Motor Bracket Patent Print |
| 1962 NISSEN Buck Supporting Stand CONOVER Patent 47038 |
| 1966 CONOVER Farm Animal Feeding House Patent |
| 1962 NISSEN Horse Support Stand CONOVER Patent 47037 |
| 1968 CONOVER Poultry Cage Layer House Patent |
| 1967 CONOVER Livestock Pen Arrangement Patent |