| 1928 MILLS GORDON Game Apparatus Patent Print |
| 1928 STANFORD MCVEY Game Apparatus Patent Print |
| 1928 ROBINS MAY Game Apparatus Patent Print Art |
| 1928 MITCHELL Apparatus For Stuffing Plaits Art |
| 1928 MORSE Dusting Apparatus For Aircraft Patent |
| 1928 CHRISTOPH EDWARD Game Apparatus Patent |
| 1928 EDWARDS Game Apparatus Patent Print Art |
| 1928 CHRISTOPH Game Apparatus Patent Print Art |
| 1928 BRISTOW BRUCE Game Apparatus Patent Print |
| 1928 GILSON Railway Signaling Apparatus Patent |
| 1928 WERNER Railway Signal Apparatus Patent |
| 1928 THOMPSON Electrical Apparatus Patent Print |
| 1928 ERNEST Electrical Apparatus Patent Print |
| 1928 GREGG TRESHAM Game Apparatus Patent Print |
| 1928 POST BENJAMIN Game Apparatus Patent Print |
| 1928 FRANK Golf Game Apparatus Patent Print Art |
| 1928 VOLLMER MILTON Game Apparatus Patent Print |
| 1928 PIERCE Playground Apparatus Patent Print |
| 1928 GREY LIVESAY Towing Apparatus Patent Print |
| 1928 BROCKWAY Delivery Apparatus Patent Print |
| 1928 GLEASON Educational Game Apparatus Patent |
| 1928 JACKSON SAUL Game Apparatus Patent Print |
| 1928 PETER Exercising Apparatus Patent Print Art |
| 1928 ANDERSON Aircraft Pontoon Apparatus Patent |
| 1928 BAKER LIN Fishing Apparatus Patent Print |
| 1928 BICKFORD Golf Apparatus And Target Patent |
| 1928 SORENSEN Decoding Apparatus Patent Print |
| 1928 CLARK CHARLES Game Apparatus Patent Print |
| 1928 ROSAR LAURENCE Game Apparatus Patent Print |
| 1928 SCHECK Golf Game Apparatus Patent Print Art |
| 1928 PAUL HOPPMANN Swimming Apparatus Patent |
| 1928 HEWETT CHARLES Game Apparatus Patent Print |
| 1928 VAUGHN Well Production Apparatus Patent 9045 |
| 1928 POWELL Salvaging Apparatus Patent Print Art |
| 1928 HALL Indoor Golf Apparatus Patent Print Art |
| 1928 NESTOR HENRY Game Apparatus Patent Print |
| 1928 BARNETT EDWARD Golf Apparatus Patent Print |
| 1928 ZERK Lubricating Apparatus Patent Print Art |
| 1928 FRANCESCO Game Apparatus Patent Print Art |
| 1928 JOHN Life Saving Apparatus Patent Print Art |
| 1928 HOWARD MCDOWELL Game Apparatus Patent Print |
| 1928 VOLLAND Hoisting Apparatus Patent Print Art |
| 1928 LELAND BURT Game Apparatus Patent Print Art |
| 1928 EDGAR MAYETTE Amusement Apparatus Patent |
| 1928 KRAETSCH Golf Practice Apparatus Patent |
| 1928 LEONARD WALTON Game Apparatus Patent Print |
| 1928 OTTO FEICK Sporting Apparatus Patent Print |
| 1928 COOKE CHARLES Diving Apparatus Patent Print |
| 1928 SERPAS Regulating Apparatus Patent Print |
| 1928 AUGUST Pendulum Lens Apparatus Patent Print |
| 1928 H C PROULX Game Apparatus Patent Print Art |
| 1928 STROM ARTHUR Gymnasium Apparatus Patent |
| 1928 HENRI Respiration Gymnastic Apparatus Art |
| 1928 EVANS KEITH Game Apparatus Patent Print Art |
| 1928 ELWOOD Sound Projecting Apparatus Patent |
| 1928 GORMAN HORACE Game Apparatus Patent Print |
| 1928 JOHN Traffic Signal Apparatus Patent Print |
| 1928 BLAIR ROBERT Athletic Apparatus Patent |
| 1928 BRUMDER Ball Returning Golf Apparatus Art |
| 1928 WOOD EDWARD Amusement Apparatus Patent |
| 1928 JOHNSON Car Transfer Apparatus Patent Print |
| 1928 LIVINGSTON Baseball Game Apparatus Patent |
| 1928 PHILIP Golf Game Apparatus Patent Print Art |
| 1928 NETTLETON Electrical Apparatus Patent Print |
| 1928 CAULKINS CECIL Game Apparatus Patent Print |
| 1928 WILBERT MELVILLE Amusement Apparatus Patent |
| 1928 DICKINSON Car Unloading Apparatus Patent |
| 1928 PERRY IRA Swimming Apparatus Patent Print |
| 1928 MORSE Powder Distributing Apparatus Patent |
| 1928 YOUNG Railway Track Circuit Apparatus Art |
| 1928 RIDGWAY Amusement Apparatus Patent Print |
| 1928 BASSICK MFG CO Lubricating Apparatus Patent |
| 1928 NOYES HARRY Game Apparatus Patent Print Art |
| 1928 RALPH GROSS Signaling Apparatus Patent |
| 1928 WELPLEY WALTER Game Apparatus Patent Print |
| 1928 PESNEL Game Apparatus Patent Print Art |
| 1928 VINCENT WALLACE Game Apparatus Patent Print |