Texas Patents - 3 Matching Results
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- Electrical Signal System.
- Patent for an improved electrical signal system which can help ascertain "the position of a train or other obstruction on a railway-track ... at either terminal" (lines 14-16), including an illustration.
- Electrical Signal System.
- Patent for an electrical system "whereby the position of a train anywhere between the ends of a track can be ascertained at either terminal" (lines 14-16).
- Lock
- Patent for a lock. Illustration included.