Suspended (e.g., Oil Well Casing Type) (285/140) Patents (Class 285/FOR122)

Foreign Patent Art Collections

Radially movable support ring (split ring type) (285/141) (Class 285/FOR123)
Inner tube coupling with integral support (285/142) (Class 285/FOR124)
Slip anchored inner tube (285/144) (Class 285/FOR126)

There are no patents to show for this class.