|
US2009273404A1
|
|
Frequency adjustable surface acoustic wave oscillator
|
|
US1020979A
|
|
Coke-sprinkling apparatus.
|
|
US1012848A
|
|
Coke-oven door.
|
|
GB190815340A
|
|
Improvements relating to Coal Cutting Machines
|
|
US894139A
|
|
Steam-engine.
|
|
US874503A
|
|
Car-dumping apparatus.
|
|
GB190609391A
|
|
Improvements relating to Coal Cutting Machines
|
|
GB190206461A
|
|
Improvements relating to Guide and Supporting Rollers for Haulage Ropes
|
|
CA74183A
|
|
Sealing cap
|
|
GB190110950A
|
|
Improvements in and connected with Pouring Spouts for Vessels
|
|
US706556A
|
|
Bottle-neck.
|
|
GB190008220A
|
|
Sealing Caps for Vessels.
|
|
US666139A
|
|
Sealing-cap for vessels.
|
|
US648407A
|
|
Stopper or closing-cap for bottles.
|
|
GB189422005A
|
|
Improvements in Safety-lamps.
|
|
CA10437A
|
|
Improvements on draw-bars
|
