|
US2039292A
|
|
Hygroscopic apparatus
|
|
US1640564A
|
|
Air conditioner
|
|
US1640563A
|
|
Machine for counting sheets
|
|
US1339494A
|
|
Process of and apparatus for treating gas mixtures containing oxids of nitrogen
|
|
CA141208A
|
|
Coin counter
|
|
CA141207A
|
|
Coin counter
|
|
US1066181A
|
|
Money-counting machine.
|
|
US1066180A
|
|
Coin-counting machine.
|
|
US954927A
|
|
Sheet or card lifter.
|
|
US954926A
|
|
Stencil-machine.
|
|
US978984A
|
|
Stencil-cleaning device.
|
|
US932600A
|
|
Stencil-printing machine.
|
|
US822578A
|
|
Coloring-machine.
|
|
US791450A
|
|
Stencil-printing machine.
|
|
US746786A
|
|
Machine for printing patterns.
|
|
CA69277A
|
|
Air brush or spray painter
|
|
CA69278A
|
|
Air brush or spray painter
|
|
CA782327A
|
|
Intra-uterine device
|
