| 1929 FRED Mechanical Game Device Patent Print |
| 1929 JONES ELMER Feeding Device Patent Print Art |
| 1929 FRANK Storm Simulating Device Patent Print |
| 1929 LOUIS MARX Amusement Device Patent Print |
| 1929 GERLACH Switch Throwing Device Patent Print |
| 1929 PEEK SANDFORD Game Device Patent Print Art |
| 1929 DAY Golf Ball Cleaning Device Patent Print |
| 1929 MCCARTHY Lamp Adjusting Device Patent Print |
| 1929 JOHNSON GEORGE Car Stop Device Patent Print |
| 1929 SAITTA PHILIP Elevating Device Patent Print |
| 1929 PITCAIRN Helicopter Device Patent Print Art |
| 1929 DELCO REMY CORP Switch Device Patent Print |
| 1929 KUSSAT RUDOLF Game Device Patent Print Art |
| 1929 BALDOMERO Propelling Device Patent Print |
| 1929 MARSH Finger Exercising Device Patent Print |
| 1929 HERMAN KITZE Amusement Device Patent Print |
| 1929 SOUSA Parcel Assorting Device Patent Print |
| 1929 ALBERT Vehicle Buffer Device Patent Print |
| 1929 WREN Button Attaching Device Patent Print |
| 1929 SANTA Tone Modulating Device Patent Print |
| 1929 BUNCE SYDNEY Coasting Device Patent Print |
| 1929 CAHEN HERMAN Indicating Device Patent Print |
| 1929 AUREL VASZIN Amusement Device Patent Print |
| 1929 STEBLER Safety Guard Device Patent Print |
| 1929 REINHARD Life Saving Device Patent Print |
| 1929 KJOLSETH Restraining Device Patent Print |
| 1929 YOSHI Submarine Rescue Device Patent Print |
| 1929 LOUIS Aeroplane Safety Device Patent Print |
| 1929 SIMON BRYGIDER Swimming Device Patent Print |
| 1929 THOMAS Mattress Filler Device Patent Print |
| 1929 JOSEPH Submarine Safety Device Patent Print |
| 1929 DE Bather'S Amusement Device Patent Print |
| 1929 MILLS Rosin Applying Device Patent Print |
| 1929 ELSEY GEORGE Antitheft Device Patent Print |
| 1929 ROY KINDT Game Device Patent Print Art |
| 1929 GAASBEEK HELEN Game Device Patent Print Art |
| 1929 CARL BRITTON Amusement Device Patent Print |
| 1929 CARLISLE Barge Handling Device Patent Print |
| 1929 KOSAKU Emergency Jack Device Patent Print |
| 1929 PATRICK RYAN Paddle Device Patent Print Art |
| 1929 DANIEL TOBIN Protecting Device Patent Print |
| 1929 LESTER Vehicle Toy Device Patent Print Art |
| 1929 ROTERMUND MARTIN Golf Device Patent Print |
| 1929 ADAM SMITH Latch Device Patent Print Art |
| 1929 HARTWELL Detonating Device Patent Print Art |
| 1929 GIESE Riding Amusement Device Patent Print |
| 1929 WILLY Sound Producing Device Patent Print |
| 1929 ROLAND Needle Threading Device Patent Print |
| 1929 HENRY Aeroplane Safety Device Patent Print |
| 1929 GUSTAV Truck Centering Device Patent Print |
| 1929 CHARLES Lubricating Device Patent Print Art |
| 1929 SAMUEL WEIDENFELD Game Device Patent Print |
| 1929 REESE Sound Propagating Device Patent Print |
| 1929 AIRUBBER CORP Swimming Device Patent Print |
| 1929 WILLY Submarine Safety Device Patent Print |
| 1929 SEARLES LINN Snubbing Device Patent Print |
| 1929 LOUIS J ELSAS Feeding Device Patent Print |
| 1929 HERMAN EVERT Gun Firing Device Patent Print |
| 1929 WHANN JESSE Life Saving Device Patent Print |
| 1929 JUNKER THOMAS Game Device Patent Print Art |
| 1929 MARTIN DOERR Game Device Patent Print Art |
| 1929 CONN GEORGE Decking Device Patent Print Art |
| 1929 KAPPELER Golf Training Device Patent Print |
| 1929 JACOBSON JEROME Game Device Patent Print |
| 1929 BASSISTY Embroidering Device Patent Print |
| 1929 GEN MOTORS CORP Decking Device Patent Print |
| 1929 EUGENE Water Walking Device Patent Print |
| 1929 BULMER GEORGE Amusement Device Patent Print |
| 1929 GIBBS JUDSON Detonating Device Patent Print |
| 1929 LUM GEORGE Acoustic Device Patent Print Art |
| 1929 CALVERT JAMES Game Device Patent Print Art |
| 1929 NORVIEL HARRY Switch Device Patent Print |