|
US1884870A
|
|
Hose pipe hanger for airway cleaners
|
|
US1887601A
|
|
Dust collecting apparatus for suction cleaners
|
|
US1884869A
|
|
Method of making pipe sections
|
|
US1884868A
|
|
Airway cleaner supporting ledge
|
|
US1895584A
|
|
Air-way cleaning tool and end closure therefor
|
|
US1834500A
|
|
Chair
|
|
US1884867A
|
|
Support for airway cleaners
|
|
US1877628A
|
|
Method for bending tubes of paper, fiber, and similar material
|
|
US1877629A
|
|
Method for bending tubes of fiber and similar material
|
|
US1840679A
|
|
Comfort chair
|
|
US1800316A
|
|
Attachment to air-way-cleaner tools
|
|
US1912386A
|
|
Electrically operated suction cleaner
|
|
US1877627A
|
|
Apparatus for bending tubes of fiber and similar material
|
|
US1884866A
|
|
Airway cleaner support
|
|
US1884865A
|
|
Supporting standard for suction cleaners
|
|
US1884864A
|
|
Airway elbow attachment for hose extensions
|
|
US1759276A
|
|
Air-way dust filter and connections therefor
|
|
US1862941A
|
|
Adjustable roller support for airway cleaners
|
|
US1887600A
|
|
Airway suction cleaner
|
|
US1836336A
|
|
Pipe joint
|
