Patent
   D289618
Priority
Jul 11 1984
Filed
Jul 11 1984
Issued
May 05 1987
Expiry
May 05 2001
Assg.orig
Entity
unknown
0
5
n/a
The ornamental design for a pressure tester, as shown.

FIG. 1 is a left side elevational view of a pressure tester showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Louth, Michael A.

Patent Priority Assignee Title
Patent Priority Assignee Title
2431087,
2624334,
4380173, Jun 12 1981 Dwyer Instruments, Inc. Roll-up type U-tube manometer
4535634, May 25 1984 Dynatech Frontier Corporation Manometer
203491,
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