Portable drill stand
Claims
The ornamental design for a portable drill stand, as shown and described.
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Type: Grant
Filed: Oct 12, 2007
Date of Patent: Sep 30, 2008
Assignee: Hougen Manufacturing, Inc. (Swartz Creek, MI)
Inventor: Jonathan W. Kovach (Montrose, MI)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Howard & Howard Attorneys, P.C.
Application Number: 29/296,058