| 1947 FREEMAN Package Unloading Device Patent |
| 1947 LEONARD Inertia Responsive Device Patent |
| 1947 CAMPBELL Thermostatic Control Device Patent |
| 1947 LANMAN GUY Amusement Device Patent Print |
| 1947 WOOD REMY Stall Warning Device Patent Print |
| 1947 KARNER Smoke Producing Device Patent Print |
| 1947 WILLIAMS Land Mine Exploder Device Patent |
| 1947 SIGODA VICTOR Cutting Device Patent Print |
| 1947 HEY Journal Lubricating Device Patent Print |
| 1947 COTTON Glider Pickup Device Patent Print |
| 1947 BRATZ Target Towing Device Patent Print Art |
| 1947 JOHN Device For Making Sound Effects Patent |
| 1947 MATT WALKER Exercising Device Patent Print |
| 1947 WALTER Motion Controlling Device Patent |
| 1947 CLAYTON Circuit Time Control Device Patent |
| 1947 DE CHAPPEDELAINE Water Sport Device Patent |
| 1947 CHAFEE Tracking Control Device Patent Print |
| 1947 DEMPSTER BROTHERS INC Locking Device Patent |
| 1947 D ARCY Cymbal Beating Device Patent Print |
| 1947 ALBEN FRANK Drive Device Patent Print Art |
| 1947 STALKER EDWARD High Lift Device Patent |
| 1947 BASTA SILVEO Rowing Device Patent Print Art |
| 1947 STELLA TYSZKIEWIC Archery Device Patent |
| 1947 LOISELLE Sewing Machine Feed Device Patent |
| 1947 MAY Condition Responsive Device Patent |
| 1947 CUNNINGHAM Cargo Discharging Device Patent |
| 1947 CROSBY Aeronautic Positioning Device Patent |
| 1947 GIROUARD PHILIAS Bomb Fuse Device Patent |
| 1947 REINHOLD Oar Reversing Device Patent Print |
| 1947 LUNDBLAD OSCAR Lowering Device Patent Print |
| 1947 WALTER Rounds Feeding Device Patent Print |
| 1947 WHITE Train Order Holding Device Patent |
| 1947 REED Airplane Amusement Device Patent Print |
| 1947 HINGLEY JAMES Towing Device Patent Print |
| 1947 CALLAWAY MILLS Tufting Device Patent Print |
| 1947 THORVALD MADLAND Lifting Device Patent |
| 1947 WOHLFORTH Elevating Device Patent Print Art |
| 1947 KINGDON Gaseous Discharge Device Patent |
| 1947 FABIAN Self Steering Device Patent Print |
| 1947 MOORE HARRY Combustion Device Patent Print |
| 1947 ALLEN DAVID Signal Device Patent Print Art |
| 1947 DAVIDSON HAROLD Salvage Device Patent Print |
| 1947 OHLENDORF Direction Control Device Patent |
| 1947 DU PONT Ignition Device Patent Print Art |
| 1947 LINDBERG Icing Detection Device Patent |
| 1947 HACKETHAL Propulsion Device Patent Print |
| 1947 SHEETS Speed Signalling Device Patent Print |
| 1947 AUSTIN HAROLD Amusement Device Patent Print |
| 1947 GUNNER Machine Gun Safety Device Patent |
| 1947 KIDDE MFG CO INC Inflatable Device Patent |
| 1947 ARTHUR BURROWS Ignition Device Patent Print |
| 1947 BAMBERG PAUL Locking Device Patent Print |
| 1947 MAN SEW CORP Cutting Device Patent Print |
| 1947 BASTA Rowing Device Patent Print Art |
| 1947 PARKER SAMUEL Tufting Device Patent Print |
| 1947 WILLIAM Battery Hold Down Device Patent |
| 1947 CHAPIN Depth Control Device Patent Print |
| 1947 WALK UDELL Signaling Device Patent Print |
| 1947 ELLWOOD Magnetic Firing Device Patent Print |
| 1947 HUSZAGH Time Switch Device Patent Print Art |
| 1947 LOUIS Lever Operated Control Device Patent |
| 1947 WERRY JOHN Inflatable Device Patent Print |
| 1947 JOSEPH W VAN KARNER Signal Device Patent |