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US2880023A
|
|
Fitting and spring clip for connecting same to a pipe
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US2863198A
|
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Cable clamp
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US2880021A
|
|
Telescopic pipe joint with tolerance accommodating means
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US2584072A
|
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Backup device for welding, brazing, or soldering operation
|
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US2418384A
|
|
Switch
|
|
US2393439A
|
|
Method of making laminated cores for transformers
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|
US1874399A
|
|
Welding apparatus
|
|
US1778134A
|
|
Casement window
|
|
US1198686A
|
|
Machine for making expanded metal.
|
|
US1302260A
|
|
Coating process for building material.
|
|
US1198685A
|
|
Spreading-machine for expanded sheet metal.
|
|
US1167865A
|
|
Machine-controlling mechanism.
|
|
CA165741A
|
|
Expanded metal structure
|
|
CA144853A
|
|
Sheet metal slitting and punching machine
|
|
CA145014A
|
|
Machine for making ribbed sheet metal
|
|
US1017355A
|
|
Power-transmission apparatus.
|
|
US895923A
|
|
Apparatus for expanding slitted metal.
|
|
US896963A
|
|
Reinforcing-frame.
|
|
CA83564A
|
|
Machine for expanding metal
|
|
CA75775A
|
|
Process of making expanded metal structures
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