|
US2448341A
|
|
Bearing for rotary shafts
|
|
US2487289A
|
|
Machine tool
|
|
US2366237A
|
|
Scotch yoke
|
|
US2366238A
|
|
Scotch yoke
|
|
US2405387A
|
|
Machine tool
|
|
US2415269A
|
|
Machine tool and method of constructing the same
|
|
US2451899A
|
|
Table drive mechanism
|
|
US2363831A
|
|
Milling machine
|
|
US2356506A
|
|
Spindle mounting
|
|
US2303101A
|
|
Chuck
|
|
US2316405A
|
|
Turning machine
|
|
US2288578A
|
|
Turning machine
|
|
US2212383A
|
|
Method of making metal casings and product thereof
|
|
US2125474A
|
|
Power developing apparatus and method of operating the same
|
|
US2061265A
|
|
Ice cube chipper
|
|
US1758994A
|
|
Conveyer
|
|
US1805650A
|
|
Process of protecting sand molds and cores
|
|
US1846982A
|
|
Method of converting coal
|
