Apparatuses and methods for modifying a defect in a surface
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United States of America Patent
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Dec 29, 2020
Grant Date -
Dec 20, 2018
app pub date -
Jun 15, 2017
filing date -
Jun 15, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for modifying a defect in a surface may include a hollow shaft including a first open end and a second open end opposite the first open end, a plunger slidable within the hollow shaft and extending from the first open end, a driver coupled to the second open end of the hollow shaft and extending from the second open end, and a passive resistance mechanism coupling the plunger to the hollow shaft. The passive resistance mechanism biases the plunger towards the second open end of the hollow shaft. The plunger has markings thereon that are visible when the plunger is extended from the first open end. Methods for using the apparatus to modify a defect in a surface are also described.
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