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Patent
   D254196
Priority
Apr 24 1978
Filed
Apr 24 1978
Issued
Feb 12 1980
Expiry
Feb 12 1994
Inventors
Shulman, M…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
1
References
4
Maint.:
n/a
The ornamental design for a portable mandrel, as shown.

FIG. 1 is a front perspective view of a portable mandrel showing my new design, taken from above;

FIG. 2 is a rear perspective view thereof, taken from below;

FIG. 3 is a bottom plan view.
INVENTORS:

Shulman, Michael H.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D640298, Jan 11 2011 Stepped mandrel
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1050575,
979922,
235160,
FR424624,
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