| 1961 BRETTRAGER Cultivate Seeding Trailer Patent 44504 |
| 1961 DEWALD JOHN Trailer Patent Print Art |
| 1961 DAVENPORT Expandable Trailer Patent Print |
| 1961 BALKO Boat Trailer Tie Down Strap Patent |
| 1961 SANFORD BURPEE Boat Trailer Patent Print |
| 1961 ROBERT Boat Trailer Skid Attachment Patent |
| 1961 FORTUNE Convertible Trailer Patent Print |
| 1961 POULSEN THOMAS Trailer Skid Patent Print |
| 1961 JERNIGAN ROSCOE Boat Trailer Patent Print |
| 1961 F A LONG COMPANY Boat Trailer Patent Print |
| 1961 PLETT ABRAHAM Collapsible Trailer Patent |
| 1961 MALONEY Boat Trailer Hitch Patent Print Art |
| 1961 HASSELL Positioning Trailer Patent Print |
| 1961 RICHARD NAGETUSCH House Trailer Patent |
| 1961 EVANS RALPH Drop Cradle Trailer Patent |
| 1961 BENNETT DAVID Boat Trailer Patent Print Art |
| 1961 STRUTHERS JOHN Trailer Patent Print Art |
| 1961 KEUREN WAYNE Automobile Trailer Patent |
| 1961 CLIFTON CHESTER Straddle Trailer Patent |
| 1961 PETERSEN Trailer Cable Puller GOODE Patent 48400 |
| 1961 O'CONNOR Boat Trailer Skid Patent Print Art |
| 1961 EKREN MILTON Trailer Chute Patent Print Art |
| 1961 CASE RALPH Boat Trailer Patent Print Art |
| 1961 BASSICK CO Boat Carrying Trailer Patent |
| 1961 HECKMAN DONALD Boat Trailer Patent Print |
| 1961 HOLLAND Motorcycle Trailer Patent Print Art |
| 1961 DOLMAR MFG COMPANY Trailer Chute Patent |
| 1961 FRANCIS T DUMAS Boat Trailer Patent Print |
| 1961 THORSON Trailer Mounted Missile Rack Patent |
| 1961 GROH Expanding Camping Trailer Patent Print |
| 1961 PERCY Floorless Camping Trailer Patent |
| 1961 MOORE JR Floatable Trailer Patent Print Art |
| 1961 EDWIN Trailer And Transfer Means Patent |
| 1961 MIGHTY MOVER CORP Straddle Trailer Patent |
| 1961 ROBINSON Boat Trailer Shoe Patent Print Art |
| 1961 NUSBAUM Convertible House Trailer Patent |
| 1961 CHATTERTON NEIL Boat Trailer Patent Print |
| 1961 TURNER ALLEN Trailer Skirt Patent Print Art |
| 1961 PUCKETT Trailer House Skirt Patent Print |
| 1961 HUEBEL Ornamental Design Trailer Raft Patent 48403 |
| 1961 STUART Vehicle Transport Trailer Patent |
| 1961 OKERLUND CHARLES Boat Trailer Patent Print |
| 1961 FUNK Boat Carrying Trailer Patent Print Art |
| 1961 SITTEL Pivotal Trailer Unit Patent Print |
| 1961 NORRBY Self Contained Boat Trailer Patent |
| 1961 MARTZ MARION Boat Trailer Patent Print Art |
| 1961 BROCK Automatic Unloading Trailer Patent |