Double helix antenna
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Description
Claims
The ornamental design for a double helix antenna, as shown and described.
Referenced Cited
U.S. Patent Documents
2035274 | March 1936 | Mougey |
8749333 | June 10, 2014 | Schmidt |
20120223800 | September 6, 2012 | Schmidt |
20130192129 | August 1, 2013 | Schmidt |
20130211181 | August 15, 2013 | Schmidt |
Patent History
Patent number: D738358
Type: Grant
Filed: Sep 26, 2013
Date of Patent: Sep 8, 2015
Assignee: LIFEWAVE, INC. (San Diego, CA)
Inventor: David Schmidt (San Diego, CA)
Primary Examiner: John Windmuller
Application Number: 29/468,150
Type: Grant
Filed: Sep 26, 2013
Date of Patent: Sep 8, 2015
Assignee: LIFEWAVE, INC. (San Diego, CA)
Inventor: David Schmidt (San Diego, CA)
Primary Examiner: John Windmuller
Application Number: 29/468,150
Classifications
Current U.S. Class:
Antenna Or Component Thereof (27) (D14/230)