|
US2420196A
|
|
Suspension means
|
|
US1457228A
|
|
Grater
|
|
US1440894A
|
|
Safety device for controlling the operation of automatic machines
|
|
US1413787A
|
|
Apparatus for protecting checks, receipts, etc. against alterations
|
|
US1451116A
|
|
Gas burner
|
|
US1351005A
|
|
Gas-heater
|
|
US1351004A
|
|
Gas-heater
|
|
US1351128A
|
|
Upright gas-lamp
|
|
US1259556A
|
|
Apparatus for treating incandescent mantles.
|
|
US1259557A
|
|
Incandescent-mantle holder.
|
|
US861609A
|
|
Incandescent gas-mantle.
|
|
US862759A
|
|
Incandescent gas-burner.
|
|
US746645A
|
|
Package for incandescent mantles.
|
|
US696492A
|
|
Mantle-support.
|
|
US696493A
|
|
Mantle-support.
|
|
CA222601A
|
|
Gas heater
|
|
CA453378A
|
|
Suspension means
|
