Patent
   D300224
Priority
Jan 27 1986
Filed
Jan 27 1986
Issued
Mar 14 1989
Expiry
Mar 14 2003
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a dry wall grinding machine, as shown.

FIG. 1 is a front elevational view of a dry wall grinding machine showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

Schold, Carl C., Comeau, Romeo J.

Patent Priority Assignee Title
D620509, Jan 27 2009 Airtec AG Mobile grinding machine
D662523, May 19 2010 Multi-head floor-grinding machine with pivoting heads
Patent Priority Assignee Title
2674130,
2791067,
169048,
192019,
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