3 Matching Results

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Dental Instrument. (open access)

Dental Instrument.

Patent for a dental-instrument holder which suitable handle allows to hold a clamping rod firmly while reaching out the difficult cavities and surfaces during the teeth cleaning.
Date: September 1, 1903
Creator: Harrell, Hardy B.
System: The Portal to Texas History
Trap (open access)

Trap

Patent for a trap. This design is for a live trap. Illustration included.
Date: September 1, 1908
Creator: Pierce, William Z.
System: The Portal to Texas History
Sad-Iron-Facing Machine. (open access)

Sad-Iron-Facing Machine.

Patent for a sad iron facing machine, which grinds and polishes iron with a lateral movement rather than a straight one that speeds up the process and prevents gumming of the machine.
Date: September 14, 1909
Creator: Dorsey, Royal H.
System: The Portal to Texas History