Abrasion device with reference ring and abrasive tip
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The broken lines are for illustrative purposes only and form no part of the claimed design.
Claims
We claim the ornamental design for the abrasion device with reference ring and abrasive tip, as shown and described.
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Type: Grant
Filed: May 19, 2011
Date of Patent: Sep 10, 2013
Assignee: Echo Therapeutics, Inc. (Philadelphia, PA)
Inventors: Harry Mitchell (Franklin, MA), Keith Krystyniak (Chelmsford, MA), Joseph O. St. Cyr (Salem, NH), Steven Vordenberg (Amherst, NH), Christopher Labak (Brookline, NH), Jon Taylor (Groton, MA), James Joseph Kennedy, III (Deerfield, NH), Glenn Trainer (Somerville, MA), Benjamin Glace (Londonderry, NH), Edward McLean (Billerica, MA), Wayne Menzie (Shrewsbury, MA)
Primary Examiner: Austin Murphy
Application Number: 29/392,348