|
US3938928A
|
|
Multiple mold rotary casting apparatus
|
|
US3160687A
|
|
Method and apparatus for producing perforated sheeting and tubes
|
|
US3139365A
|
|
Method and apparatus for bonding sheet material
|
|
US3097882A
|
|
Rear window deflector for automobiles
|
|
US3065121A
|
|
Method and apparatus for joining together sheets of plastic material
|
|
US2739842A
|
|
Coupler and sprinkler
|
|
US2757965A
|
|
Roof sprinkler
|
|
US2749180A
|
|
Sprinkling device
|
|
US2683208A
|
|
Apparatus for perforating
|
|
US2568976A
|
|
Flexible valve
|
|
US2579063A
|
|
Heated pressure seaming device for plastics
|
|
US2500053A
|
|
Method of joining pieces of plastic
|
|
US2416788A
|
|
Hair drying helmet with flexible inner wall
|
|
CA553653A
|
|
Sprinkling device
|
|
CA736059A
|
|
Perforator for extruded plastic hoses
|
|
CA548580A
|
|
Sprinkling hose and coupler therefor
|
|
CA544990A
|
|
Apparatus for perforating sheet material
|
|
CA443345A
|
|
Hair drying helmet
|
