| 1927 PAUL Holding Device For Wild Animals Patent |
| 1927 EDUARDO Device For Firing Cannons Patent |
| 1927 MORRIS Protective Device For Boxers Patent |
| 1927 LUCAS Door Locking Device For Cane Cars Art |
| 1927 TOWNSEND Door Controlling Device For Traps |
| 1927 GOEBERT Fastening Device For Shields Patent |
| 1927 DAVID Latching Device For Car Doors Patent |
| 1927 FIXEL Safety Device For Aeroplanes Patent |
| 1927 HILLS Drain Device For Lifeboats Patent |
| 1927 LEMM Saxophone Key Device CONTURIER Patent 17254 |
| 1927 CHARLES Safety Device And Bumper Patent |
| 1927 JOHNSON Safety Device For Locomotives Art |
| 1927 GRAUEL Locking Device Control Patent Print |
| 1927 MCF Safety Device For Articulated Cars Art |
| 1927 RUTZ Brake Device For Railway Cars Patent |
| 1927 CHASE Golf Practice Device And Game Patent |
| 1927 TEW Safety Device For Vehicles Patent Print |
| 1927 LEON Device To Hold Cows' Tails Patent |
| 1927 MALOCSAY Feeding Device INT BANDING Patent 20295 |
| 1927 HAROLD Safety Device For Automobiles Patent |