| 1944 GRONDAHL Control Apparatus Patent Print Art |
| 1944 DEN Aircraft Heating Apparatus Patent Print |
| 1944 PLUMMER ROBERT Game Apparatus Patent Print |
| 1944 BYRON Game Apparatus Patent Print Art |
| 1944 SOLINSKI Game Apparatus Patent Print Art |
| 1944 MAURITZ BRODEN Alarm Apparatus Patent Print |
| 1944 ERNEST Flotation Apparatus Patent Print Art |
| 1944 GIBBS THOMAS Timing Apparatus Patent Print |
| 1944 CALDWELL Recording Apparatus Patent Print |
| 1944 GOULD Refrigerating Apparatus Patent Print |
| 1944 CANDOR ROBERT Timing Apparatus Patent Print |
| 1944 BLACK KYLE Brake Apparatus Patent Print Art |
| 1944 VENSEL Game And Game Apparatus Patent Print |
| 1944 PETER KOSS Game Apparatus Patent Print Art |
| 1944 BERETISH Lubricating Apparatus Patent Print |
| 1944 EDMONDO Amusement Apparatus Patent Print |
| 1944 ALLEN Indication Apparatus Patent Print Art |
| 1944 GEHRING FRED Signal Apparatus Patent Print |
| 1944 BARNETT Salvaging Apparatus Patent Print |
| 1944 MACKAY Sound Signal Apparatus Patent Print |
| 1944 MILLER Time Control Apparatus Patent Print |
| 1944 REEVES Announcing Apparatus Patent Print |
| 1944 WOODWARD GLEN Game Apparatus Patent Print |
| 1944 YOUNG HENRY Control Apparatus Patent Print |
| 1944 MALLERY Unloading Apparatus Patent Print |
| 1944 DODD Signal Control Apparatus Patent Print |
| 1944 GRANT CASPER Game Apparatus Patent Print |
| 1944 DAY Mobile Loading Apparatus Patent Print |
| 1944 POGUE ROBERT Braking Apparatus Patent Print |
| 1944 WADSWORTH Loading Apparatus Patent Print |
| 1944 BINGHAM Lifesaving Apparatus Patent Print |