| 1968 USHER Collapsible Structure on Wheels Patent 1337 |
| 1968 RUPERT Vehicle Roof Structure Patent Print |
| 1968 JENKINS Self Folding Structure Patent Print |
| 1968 WINDECKER Airfoil Structure Patent Print |
| 1968 METCALF Utility Receptacle Structure Patent |
| 1968 ROSS Bottom Dump Trailer Structure Patent |
| 1968 PETERSON Parrowing Structure Swine Patent 42756 |
| 1968 WENGER Sound Reflecting Structure Patent |
| 1968 PETERSON Farrowing Structure Patent Print |
| 1968 LEAVITT Marine Structure Patent Print Art |
| 1968 CAMPBELL Engine Supporting Structure Patent |
| 1968 DOW CHEMICAL CO Airfoil Structure Patent |
| 1968 GOSSMAN Camper Unit Structure Patent Print |
| 1968 BLUNDEN Vehicle Tie Down Structure Patent |
| 1968 MYCROFT Amphibious Structure Patent Print |
| 1968 WILSON HUGH Diving Structure Patent Print |
| 1968 LUGER Sectional Boat Structure Patent Print |
| 1968 GORDON Marine Floating Structure Patent |
| 1968 LESTER Flying Saucer Structure Patent Print |
| 1968 ALSTYNE Projectable Structure Patent Print |
| 1968 UNION CARBIDE CORP Diving Structure Patent |
| 1968 CLARK Mobile Marine Structure Patent Print |