| 1969 AVANT Regulator Valve Mechanism Patent |
| 1969 GARDEL Baby Doll Walking Mechanism Patent |
| 1969 US NAVY Ball Release Mechanism Patent Print |
| 1969 HASLER Drive Transmission Mechanism Patent |
| 1969 GARDEL Walking Doll Mechanism Patent Print |
| 1969 GARDEL Doll Walking Mechanism Patent Print |
| 1969 LETTAM INC Walking Doll Mechanism Patent |
| 1969 BARTON R E Dual Drive Mechanism Patent |
| 1969 MATTEY Ball Release Mechanism Patent Print |
| 1969 BARTON Dual Drive Mechanism Patent Print |
| 1969 LETTAM INC Doll Walking Mechanism Patent |
| 1969 TRW INC Caging Mechanism Patent Print Art |
| 1969 PETER Caster Brake Mechanism Patent Print |
| 1969 LITTLE CARL Latch Mechanism Patent Print |
| 1969 BOCHMAN Catapult Release Mechanism Patent |
| 1969 BOEING CO Cargo Loading Mechanism Patent |
| 1969 SAGANOWICH Thread Severing Mechanism Patent |
| 1969 WEBER KNAPP CO Latch Mechanism Patent Print |
| 1969 GRAY Integral Buttonholing Mechanism Patent |
| 1969 SEBERS Steel Guitar Tuning Mechanism Patent |
| 1969 OJA Floor Contacting Brake Mechanism Patent |
| 1969 GILMARTIN Caging Mechanism Patent Print Art |
| 1969 WEAVER Carpet Sewing Mechanism Patent Print |
| 1969 COURTER Cargo Loading Mechanism Patent |
| 1969 REAGAN Boat Handling Mechanism Patent Print |