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3 Matching Results
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Combined Tie-Plate and Rail-Anticreeper.
Patent for a combined railroad tie and rail anti-creeping device, which prevents the rails from spreading.
Date:
December 7, 1909
Creator:
Clarke, Marcus S.
System:
The Portal to Texas History
Gravity Slide Ash Pan
Patent for a gravity slide ash pan. Illustration included.
Date:
December 28, 1909
Creator:
Ryan, John J.
System:
The Portal to Texas History
Notching Means for Wire-Winding Machines.
Patent for notching means for wire winding machines, which evenly notches well screens with a chisel.
Date:
December 7, 1909
Creator:
Wergin, William Lewis
System:
The Portal to Texas History