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Patent
   D738358
Priority
Aug 19 2011
Filed
Sep 26 2013
Issued
Sep 08 2015
Expiry
Sep 08 2029
Inventors
Schmidt, D…
Assg.orig
LIFEWAVE, …
Assg.curr
Medical En…
Entity
unknown
Referenced by
2
References
5
Maint.:
n/a
The ornamental design for a double helix antenna, as shown and described.

FIG. 1 is a perspective view of a double helix antenna.

FIG. 2 is a top view of the double helix antenna of which the bottom view is a mirror image; and,

FIG. 3 is a front view of the double helix antenna of which the rear view, left side view and right side view are mirror images thereof.
INVENTORS:

Schmidt, David

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11682841, Sep 16 2021 EAGLE TECHNOLOGY, LLC Communications device with helically wound conductive strip and related antenna devices and methods
ER6632,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2035274,
8749333, Apr 26 2012 Medical Energetics Ltd System configuration using a double helix conductor
20120223800,
20130192129,
20130211181,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 25 2013SCHMIDT, DAVIDLIFEWAVE, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0313820292 pdf
Sep 26 2013Lifewave, Inc.(assignment on the face of the patent)
Sep 09 2014LIFEWAVE, INC Medical Energetics LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0337070976 pdf
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