| Filed On | Filing |
|---|---|
| 04 Mar 2013 |
Form 3/A: Bobay Nicholas E, VP, President, NVTCS
Holds 14,635 shares of Common Stock |
| 04 Mar 2013 |
Form 3/A: Sorelle Richard D, VP, Pres, Electronic Systems
Holds 19,067 shares of Common Stock |
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