Field strength measuring device

The ornamental design for a field strength measuring device, as shown.

FIG. 1 is a rear perspective view of the ornamental design of field strength measuring device in accordance with the present invention;

FIG. 2 is a front perspective view of the ornamental design of the present invention;

FIG. 3 is a side view of the ornamental design of the present invention;

FIG. 4 is a top view of the ornamental design of the present invention; and,

FIG. 5 is a bottom view of the ornamental design of the present invention.

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Nov 07 2006		Narda Safety Test Solutions GmbH	(assignment on the face of the patent)
Jan 19 2011	Narda Safety Test Solutions GmbH	L-3 Communications Corporation	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	026609	0380	pdf
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Dec 06 2021	NARDA HOLDINGS, INC	BARINGS FINANCE LLC, AS ADMINISTRATIVE AGENT	SECURITY INTEREST SEE DOCUMENT FOR DETAILS	058311	0152	pdf
Dec 06 2021	L3 Technologies, Inc	NARDA HOLDINGS, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	058339	0292	pdf

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