Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Sewer-Trap.
Patent for a sewer trap that prevents "the grease and other extraneous matter from sinks, and other fixtures in the house to effect a logment in the sewer, to the consequent obstruction and clogging up of the same" (lines 16-20). This makes sewers healthier and require less maintenance.
Date:
October 17, 1893
Creator:
Heffron, Isaac
System:
The Portal to Texas History
Railroad-Rail.
Patent for an improved railroad rail that is "composed of track or running rails proper and supplementary rails bolted to the track rails and having a laterally-projecting top portion which serves as a wheel guard or lateral brace for the track rails" (lines 14-19).
Date:
October 17, 1893
Creator:
Keenan, Michael J.
System:
The Portal to Texas History