EXHIBIT 10.2

                              ASSIGNMENT OF PATENT


         This  Assignment of Patent (the  "Assignment")  is made as of this 28th
day of June,  2011 by and between  Solar3D,  Inc., a Delaware  corporation  (the
"Assignor"),  and Wideband Detection  Technologies,  Inc., a Florida corporation
with a principal place of business located at 6500 Hollister Avenue,  Suite 130,
Goleta, California 93117 (the "Assignee").

                                 R E C I T A L S

         WHEREAS,  Assignor  warrants and represents that it is the owner of the
entire right,  title,  and interest in and to the patent number  7,184,423  (the
"Patent"), as set forth in Schedule A hereto.

         WHEREAS,  Assignor  has  agreed to assign to  Assignee  the  Assignor's
entire right, title, and interest in and to the Patent.

         NOW  THEREFORE,  for a one  time  consideration  of the  assumption  of
significant  liabilities  of Assignor by the  Assignee  pursuant to that certain
Assignment of Intangible Assets and Assumption of Liabilities by and between the
Assignor  and the  Assignee,  dated of even date  herewith,  receipt of which is
hereby acknowledged,  and for other good and valuable  consideration the receipt
and  sufficiency  of which  are  hereby  acknowledged  by the  Assignor  and the
Assignee,  Assignor hereby assigns to Assignee all of Assignor's  right,  title,
and interest in and to the Patent together with all the goodwill of the business
appurtenant  thereto,  and  with the  right  to sue for all  past  infringements
thereof, and Assignor agrees to execute and deliver upon the request of Assignee
all documents and instruments necessary or appropriate to evidence or record the
transfer and assignment made hereunder in the proper offices.

         The  responsibility  for  prosecuting  and  maintaining  the Patent and
additional  claims, if and when granted,  is hereby assumed by Assignee upon the
date first above written.

         The forms required by the patent offices for  registering  the Assignee
as the new  owner  of the  Patent  will be  prepared  by the  Assignor  upon the
request, and at the expense, of the Assignee.

         IN WITNESS  WHEREOF,  the parties  have caused  this  Assignment  to be
executed by their officers duly  authorized,  as of the day and year first above
written.


ASSIGNOR:                              SOLAR3D, INC.


                                       _________________________________________
                                       James B. Nelson, Chief Executive Officer



ASSIGNEE:                              WIDEBAND DETECTION TECHNOLOGIES, INC.


                                       By:
                                       _________________________________________
                                            Roland F. Bryan, President

[ATTACH NOTARY]