Patent
   D313189
Priority
Jan 11 1988
Filed
Jan 11 1988
Issued
Dec 25 1990
Expiry
Dec 25 2004
Assg.orig
Entity
unknown
1
5
n/a
The ornamental design for a center punch guide for piping, as shown and described.

FIG. 1 is a front perspective view of a center punch guide for piping showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom view; and

FIG. 6 is a right side elevational view, the left side being a mirror image thereof.

Walsh, Timothy

Patent Priority Assignee Title
7153070, Sep 03 2004 Thaddeus, Schroeder; Peter D., Keefe Drill bit guide for a hand-held drill
Patent Priority Assignee Title
2667703,
3661469,
657443,
141088,
192302,
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