|
US970346A
|
|
Horse-releaser.
|
|
GB190917346A
|
|
Improvements in Compound Air or Gas Compressors or Pumps.
|
|
US1002743A
|
|
Well-borer.
|
|
GB190700435A
|
|
Improvements in Well Boring, Making Drains, Testing Ground, Driving Piles, and the like, and in Apparatus therefor.
|
|
GB190621854A
|
|
Improvements in the Cylinders and Pistons of Engines, Pumps and the like.
|
|
GB190604302A
|
|
Improvements in Sinking Wells, Boring Drains and the like and in Apparatus therefor.
|
|
US818391A
|
|
Railway-chair.
|
|
GB190526294A
|
|
Improvements in Railway Chairs and Sleepers
|
|
CA428896A
|
|
Anchor bolt
|
|
CA236266A
|
|
Non-slipping pad
|
|
CA363937A
|
|
Pneumatic conveyer distributor head
|
|
CA217460A
|
|
Pump
|
