|
US1479803A
|
|
Fuel conditioner for internal-combustion engines
|
|
US1202992A
|
|
Nut-cracking device.
|
|
US983820A
|
|
Animal-treating apparatus.
|
|
US939196A
|
|
Air-valve.
|
|
US957156A
|
|
Heating system.
|
|
US935599A
|
|
Pressure and vacuum steam-heating valve.
|
|
US883132A
|
|
Apparatus for treating animals.
|
|
US885694A
|
|
Process of treating animals.
|
|
US876632A
|
|
Process of treating animals.
|
|
US876631A
|
|
Apparatus for treating live stock.
|
|
CA100896A
|
|
Steam heating system
|
|
US841389A
|
|
Steam-heating system.
|
|
US827231A
|
|
Steam-heating system.
|
|
US822114A
|
|
Valve for heating or other systems where steam is employed.
|
|
US809253A
|
|
Device for circulating steam, &c.
|
