|
The ornamental design for alarm system tester, as shown and described. |
FIG. 1 is a top front perspective view of an alarm system tester showing our new design, with the cover in an open position;
FIG. 2 is a bottom and left rear perspective view thereof with the cover closed;
FIG. 3 is a top plan view thereof, with the cover closed;
FIG. 4 is a rear elevational view thereof, with the cover closed;
FIG. 5 is a left side elevational view thereof with the cover closed.
Zephir, Henry K., Wilson, Winthrop E.
Patent | Priority | Assignee | Title |
D276028, | Apr 21 1981 | The Superior Electric Company | Line voltage monitor system |
D299439, | Oct 15 1985 | Insulator tester unit | |
D697442, | Oct 01 2012 | WilliamsRDM, Inc | Compact aircraft system tester |
Patent | Priority | Assignee | Title |
3428888, | |||
3986106, | Mar 31 1975 | Portable set for automatic sequential test of multiple wire pairs | |
194677, | |||
202702, | |||
202922, | |||
238562, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |