Picked in lottery via one employer but now working with other employer


anybody please let me know how will I utilize my H1 as I just received receipt no. from my previous employer that I picked up in lottery. but sice 2 months I am working with other company.

Can I utilize my receipt no to transfer Visa to anather employer.Even if I am not sure wheather my Petition approved or not? What chances are there to get petition approved and by what time will I get that status?.

I am tracking since a week but same status as the receipt notice that describes how we will process your case. Please follow the instructions in the notice. If you do not receive your receipt notice by May 13, 2015, please call Customer Service