|
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.
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, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |