Can I have H1 and H4 simultaneously

Hi,

I have a H1B petition valid till July 2016. I din not stamp my Visa yet. Now I am planning to go to US with my spouse in H4 visa for a vacation. So I have a question , what will happen to my H1B petition.

Can I stamp my H1B visa with this petition once I come back from vacation ?

Thanks in advance.

Kasturi