|
US1769811A
|
|
Process of pulping fibrous material
|
|
US1807111A
|
|
Process for producing fibrous material
|
|
US1894577A
|
|
Production of fiber
|
|
US1422618A
|
|
Drum feeder
|
|
US1399091A
|
|
Table-tilting mechanism
|
|
US1564151A
|
|
Self-oiling head motion
|
|
US1406780A
|
|
Self-oiling rocker bearing
|
|
US1284700A
|
|
Rotary drum-feeder.
|
|
US1399124A
|
|
Feeder
|
|
US1180209A
|
|
Table for ore and coal washing.
|
|
US984567A
|
|
Table adjustment for ore-concentrators.
|
|
US1038322A
|
|
Head-motion for ore-concentrators.
|
|
US711999A
|
|
Quick-return spring for rock-drills.
|
|
US711998A
|
|
Buffer device for rock-drills.
|
