|
GB131742A
|
|
Improved Means for Locating or Detecting Submarines.
|
|
GB119086A
|
|
Improvements in Submarine Detectors or Locators.
|
|
US1220526A
|
|
Mold for building-blocks.
|
|
US1219127A
|
|
Mold for building-blocks.
|
|
CA166221A
|
|
Mould for cement
|
|
CA165693A
|
|
Building block
|
|
US1177646A
|
|
Building construction.
|
|
CA159174A
|
|
Building method
|
|
CA148085A
|
|
Building construction
|
|
GB190810935A
|
|
An Improved Method of Constructing Buildings.
|
|
CA108595A
|
|
Building block
|
|
US860682A
|
|
Building construction material.
|
|
GB190125984A
|
|
Improvements in Liquor Registering and Measuring Devices.
|
|
US695691A
|
|
Liquid measuring and registering device.
|
|
US642240A
|
|
Roof.
|
|
CA328406A
|
|
Building block mould
|
|
CA220248A
|
|
Means of locating submarines
|
|
US1127058A
|
|
Building construction.
|
|
CA328783A
|
|
Building block
|
