|
CA118592A
|
|
Disc harrow
|
|
US961113A
|
|
Disk harrow.
|
|
GB190715391A
|
|
Improvements in Stoneware Drainage Tiles for Bacteria Beds
|
|
GB190626370A
|
|
Improvements in Stoneware or other Pipe Sockets
|
|
GB190505471A
|
|
Improvements in the Joints of Stoneware and other Pipes.
|
|
GB190425437A
|
|
Improvements in the Joints of Stoneware and other Pipes
|
|
GB190425448A
|
|
Improvements in the Jointing of Stoneware and other Pipes
|
|
GB190323438A
|
|
Improvements in Yard or Road Gullies.
|
|
GB190226820A
|
|
Improvements in Pipe Joints
|
|
GB190017005A
|
|
Improvements in Stoppers for Earthenware Pipes and Junctions
|
|
GB190011653A
|
|
Improvements in the Joints of Earthenware or other Pipes
|
|
GB190010895A
|
|
Improvements in the Joints of Stoneware and other Pipes
|
|
GB189922692A
|
|
New or Improved Motion-reversing Mechanism.
|
|
GB189911016A
|
|
Improvements in Pipe Joints.
|
|
US636969A
|
|
Motion-reversing mechanism.
|
|
GB189823573A
|
|
Improvements in Earthenware Pipe Joints.
|
|
GB189806705A
|
|
Improvements in the Jointing of Iron and other Metal Pipes.
|
|
GB189806741A
|
|
Improvements in Jointing Metal Pipes.
|
|
GB189730241A
|
|
Improvements in the Joints of Earthenware and other Pipes.
|
|
GB189408153A
|
|
Improvements in Machinery or Apparatus for the Manufacture of Flanged Earthenware Pipes.
|
