|
US2285585A
|
|
Transmitter, receiver, and amplification system
|
|
US2280239A
|
|
Sanitary preserving can or container and the making of it
|
|
US2180846A
|
|
Automatic and manually operable stopping and assisting device for automobiles
|
|
US2193874A
|
|
Telephone amplification
|
|
US2160072A
|
|
Preserving can or container
|
|
US2182872A
|
|
Preserving can or container
|
|
US2116604A
|
|
Safety device for motor vehicles
|
|
US2230987A
|
|
Nonmetallic and partly metallic preserving cans
|
|
US2084689A
|
|
Nipple protector
|
|
DE660811C
|
|
Hydropower transmission of a water wheel resting on floats or a water screw
|
|
US2227138A
|
|
Sanitary can or container
|
|
US2122474A
|
|
Device for holding films or the like
|
|
US2027438A
|
|
Sanitary preserving can
|
|
US1987065A
|
|
Means for utilizing the power of the currents in rivers
|
|
US2097329A
|
|
Brake mechanism for motor vehicles
|
|
US2049264A
|
|
Sanitary preserving can
|
|
US2027437A
|
|
Preserving can
|
|
US1984584A
|
|
Aeroplane
|
|
US1951574A
|
|
Method of working in the reproducing arts
|
|
US1972404A
|
|
Device on vehicles for protecting pedestrians
|
