Patent
   D312218
Priority
Mar 17 1988
Filed
Mar 17 1988
Issued
Nov 20 1990
Expiry
Nov 20 2004
Assg.orig
Entity
unknown
10
8
n/a
The ornamental design for a hand-held port tester for data-processing systems, as shown and described.

FIG. 1 is a bottom, front, and left side perspective view of a hand-held port tester for data-processing systems showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a top plan view; and

FIG. 5 is a right side elevational view thereof.

The cable has been omitted from FIGS. 4 and 5 for ease of illustration.

Hill, David W.

Patent Priority Assignee Title
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D943441, Nov 06 2020 XUZHOU SINOTEMP CO., LTD. Halogen leak detector
D946436, Nov 13 2020 Fieldpiece Instruments, Inc. Leak detector
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 17 1988International Business Machines Corporation(assignment on the face of the patent)
Mar 17 1988HILL, DAVID W INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP OF NEW YORKASSIGNMENT OF ASSIGNORS INTEREST 0048800604 pdf
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