| 1940 ROY Plant Spraying Apparatus Patent Print |
| 1940 WILLIAMS HARRY Game Apparatus Patent Print |
| 1940 CARTER CHARLES Game Apparatus Patent Print |
| 1940 DAVID Transmission Apparatus Patent Print |
| 1940 EDWARDS Signaling Apparatus Patent Print |
| 1940 ARCHIBALD NEVIN Game Apparatus Patent Print |
| 1940 SIMMONS Spraying Apparatus Patent Print Art |
| 1940 LIPP JULIUS Signal Apparatus Patent Print |
| 1940 CARPENTER PAUL Game Apparatus Patent Print |
| 1940 BUTTERWORTH Game Apparatus Patent Print Art |
| 1940 NILSON Exercising Apparatus Patent Print |
| 1940 MORRILL MYRON Game Apparatus Patent Print |
| 1940 EDWARD P WHITE Game Apparatus Patent Print |
| 1940 NICOLAUS FRANK Game Apparatus Patent Print |
| 1940 TAYLOR GORDON Game Apparatus Patent Print |
| 1940 CHARLES REGAN Game Apparatus Patent Print |
| 1940 MINGER MICHAEL Game Apparatus Patent Print |
| 1940 MERLE CARNAHAN Game Apparatus Patent Print |
| 1940 SIEGRIST CARL Game Apparatus Patent Print |
| 1940 ROHLAND CURT Golf Apparatus Patent Print |
| 1940 OTTO Boat Handling Apparatus Patent Print |
| 1940 ROWE SIDNEY Fishing Apparatus Patent Print |
| 1940 LEONARDO Game Apparatus Patent Print Art |
| 1940 VICKERY NORMAN Game Apparatus Patent Print |
| 1940 FORD Exterminating Apparatus Patent Print |
| 1940 PURDY Lifesaving Apparatus Patent Print Art |
| 1940 ALLGRUNN Dusting Apparatus Patent Print Art |
| 1940 JACKSON Game Apparatus Patent Print Art |
| 1940 OSTAND Transmission Apparatus Patent Print |
| 1940 STANLEY FABER Game Apparatus Patent Print |
| 1940 NORMAN Amusement Apparatus Patent Print Art |
| 1940 MORIARTY Fishing Apparatus Patent Print Art |
| 1940 GEORGE Parachute Apparatus Patent Print Art |
| 1940 MARTINEK Clamping Apparatus Patent Print |
| 1940 EDWARD EBERT Game Apparatus Patent Print |
| 1940 BUSHNELL Recording Apparatus Patent Print |
| 1940 LLOYD TALIESEN Game Apparatus Patent Print |
| 1940 CLARK LE Casting Apparatus Patent Print Art |
| 1940 GRAVES JR Game Apparatus Patent Print Art |
| 1940 CADMAN HAROLD Game Apparatus Patent Print |
| 1940 PHILIP FABER Game Apparatus Patent Print |
| 1940 BERDNER JOHN Game Apparatus Patent Print |
| 1940 CHAMBERLAIN Game Apparatus Patent Print Art |
| 1940 BOGER Exercising Apparatus Patent Print Art |
| 1940 PLYM LESTER Program Apparatus Patent Print |
| 1940 LEWIS Transporting Apparatus Patent Print |
| 1940 MOORE JAY Game Apparatus Patent Print Art |
| 1940 EMERY HINES Game Apparatus Patent Print Art |
| 1940 WEST GEORGE Game Apparatus Patent Print Art |
| 1940 LINDSTAEDT Spray Apparatus Patent Print Art |
| 1940 JOHN Ball Game Apparatus Patent Print Art |
| 1940 JULSRUD Athletic Apparatus Patent Print Art |
| 1940 KOCI JERRY Game Apparatus Patent Print Art |
| 1940 LINWOOD Breakaway Apparatus Patent Print |