| 1947 AUSTIN Wheel Revolving Means Patent Print |
| 1947 RCA CORP Impedance Matching Means Mechanical Waves |
| 1947 JONES Hot Bearing Box Detection Means Art |
| 1947 MINER INC W H Snubbing Means Patent Print |
| 1947 ROBERK Clamping Means Mirror S Like Art |
| 1947 BLACKINTON Ogive Mounting Means Projectiles |
| 1947 MARLIN FIREARMS CO Breech Bolt Retracting Means |
| 1947 HEBERT Oar Propelling Means Patent Print |
| 1947 YOUNG Captive Helicopter Kite Means Patent |
| 1947 GEORGES Means Improving Ejection Masses Art |
| 1947 PENNSYLVANIA Hot Bearing Box Detection Means |
| 1947 PETER Lifeboat Fastening Means Patent Print |
| 1947 LOOMIS Firing Pin Supporting Means Firearms |
| 1947 NYSTROM Pedestal Safety Tie Means Patent |
| 1947 SMITH Take Up Means For Sewing Machines Art |
| 1947 ROACH Structural Toy Assembly Means Patent |
| 1947 CHRISTIAN A SORENSEN Machine Gun Cooling Means |
| 1947 WASSERMAN Airplane Tab Balancing Means Art |
| 1947 UNION SWITCH SIGNAL CO Circuit Controlling Means |
| 1947 FAWCETT Means Securing A Hairspring To An Arbor |
| 1947 SMITH Connecting Means Explosive Cartridges |
| 1947 BINNEY JOE Chocking Means Patent Print Art |
| 1947 BELL AIRCRAFT CORP Aircraft Liquid Supply Means |
| 1947 HAYS Control Means For Helicopters Patent |
| 1947 CLOUGH Loading Means For Trucks Patent |
| 1947 DATH GEORGE Snubbing Means Patent Print Art |
| 1947 WOLFE Pilot Door Latch Operating Means Art |
| 1947 HANSELL Impedance Matching Means Mechanical Waves |
| 1947 JENKINSON Breech Bolt Retracting Means Art |
| 1947 BISCH Means Positioning Explosives In Boreholes |
| 1947 VIRGINIA Car Coupling Means Patent Print |
| 1947 YOUNGSTOWN Railway Hatch Covers Locking Means |
| 1947 MONNER Machine Gun Cooling Means Patent |
| 1947 BEAUCHAMP Railway Hatch Covers Locking Means |
| 1947 FRAZER Mounting Means Fabric Covering Sheets |
| 1947 O'NEIL Auxiliary Jet Power Means Aircraft |
| 1947 MINER W H Locking Means Railway Car Hand Brakes |
| 1947 HASELTINE Locking Means Railway Car Hand Brakes |
| 1947 WHITING Antitorque Means Helicopters Art |
| 1947 SAMPSON Breech Bolt Retracting Means Patent |
| 1947 SYDNEY Cooling Lubricating Means Sewing Machines |
| 1947 FAUSZ Quick Release Means Parachute Harness |
| 1947 GEN MOTORS CORP Breech Bolt Retracting Means |
| 1947 STINSON Aircraft Liquid Supply Means Patent |
| 1947 FRANK Clamping Means Mirror S Like Art |
| 1947 BRIE Landing Launching Means Aircraft Art |
| 1947 BONE Circuit Controlling Means Patent Print |
| 1947 SINGER Cooling Lubricating Means Sewing Machines |
| 1947 LEONARD Remote Control Means Directcurrent Motors |
| 1947 PINDER Means For Determining Balance Patent |
| 1947 UNION Take Up Means Sewing Machines Art |
| 1947 BUCKEYE Pilot Door Latch Operating Means |
| 1947 PRIDE Means Handling Loads In Vehicles Art |