1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Dental Instrument.
Patent for an improved dental instrument with a pointer and plunger combination to precisely locate the opening of the root canal and fill it effectively. The simple construction with few parts efficiently produces a compact tool with low production costs.
Date:
December 23, 1919
Creator:
Payne, David H.
System:
The Portal to Texas History