|
US1421387A
|
|
Self-shifting track
|
|
US1409695A
|
|
Feeding and conveying apparatus
|
|
US1393519A
|
|
Traction-engine
|
|
US1394446A
|
|
Oil-gas-making apparatus
|
|
US1380944A
|
|
Back-filler
|
|
US1431864A
|
|
Excavator or other supporting means
|
|
US1402186A
|
|
Multipedal traction mechanism
|
|
US1370566A
|
|
Drag-line-bucket apparatus
|
|
US1336595A
|
|
Excavator-bucket cleaner
|
|
US1429551A
|
|
Walking-motion propelling apparatus
|
|
US1417663A
|
|
Portable mixing plant
|
|
US1296310A
|
|
Projectile.
|
|
US1430542A
|
|
Swinging-scoop excavator
|
|
US1357318A
|
|
Machine for handling coal or other materials
|
|
US1344571A
|
|
Walking-dredge
|
|
US1281936A
|
|
Trench-jack.
|
|
US1278454A
|
|
Tractor-excavator.
|
|
US1278131A
|
|
Mixing-machine-charging hopper.
|
|
US1278150A
|
|
Endless track-band for motor-vehicles.
|
|
US1278931A
|
|
Trailer for motor-vehicles.
|
