| 1961 BECKSON MFG CO All Plastic Hand Pump Patent |
| 1961 ROY MFG COMPANY DE Gyroscopic Toy Patent |
| 1961 REMPEL MFG INC Toys Patent Print Art |
| 1961 HIGBIE MFG COMPANY Spinning Reel Patent |
| 1961 MOELLER MFG CO INC Boat Drain Plug Patent |
| 1961 WILKENING MFG CO Toy Patent Print Art |
| 1961 WOOLLEY MFG COMPANY Golf Club Shaft Patent |
| 1961 GIBBS MFG & RES CORP Tuning Fork Patent |
| 1961 SCHAPER MFG CO INC Game Apparatus Patent |
| 1961 KINSMAN MFG CO INC Electronic Organ Patent |
| 1961 BLAIR MFG CO Cattle Feeder Structure Patent |
| 1961 MARZOLF MFG CO INC Egg Grader Patent Print |
| 1961 KUMMETH MFG CO Collapsible Stroller Patent |
| 1961 DOLMAR MFG COMPANY Trailer Chute Patent |
| 1961 GUSTAF REMPEL Toys REMPEL MFG INC Patent |
| 1961 MOELLER MFG CO INC Bailer Plug Patent Print |
| 1961 JOY MFG CO Mine Haulage Vehicle Patent |
| 1961 HUBLEY MFG COMPANY Holster Patent Print Art |
| 1961 ALBERT MFG CORP Journal Box Packing Patent |
| 1961 RE TRAC MFG CORP Rear View Mirror Patent |
| 1961 MOORMAN MFG COMPANY Pig Creep Feeder Patent |
| 1961 GILMAN ENGINEERING & MFG COMPA Boat Patent |
| 1961 R D MFG CORP Fishing Reel Crank Patent |