Experience letters needed from all past employers during green card process?

Speak with the employers attorney. S/he is in the best position to answer your questions.

How long will my file take to transfer?

Same answer as your duplicate post.

How long will my file take to be transferred to USCIS?

This type of unique individual situation needs the attention of an experienced immigration attorney.

Approved petition thru WW2 veteran father in law but main beneficiary (SON) dies, can his wife & child Migrate?

I am very sorry for your situation but no.

What happened after you were released for the charge of battery? Are the charges still pending for battery? Depending on facts you have not...

Form I134, what to fill for residence starting date?

Your residence is when you moved in and when you moved out regardless of your status.

Do I need to get US VISA stamp again in the new passport if I corrected my parents details?

Your visa stamp must be in a valid passport. As long as you are in the USA legally your consulate will assist you.

I am F1 student married to GC holder and got approved i130, can i apply for OPT?

Yes and I suggest you maintain your current status because you are not eligible to adjust through your wife and inside the USA until she is a USC....

How can My girlfriend stay in the U.S legally?

If the two of you enter into a genuine marriage you can sponsor her. DO NOT plan on her entering the USA on a visitor visa and adjusting. Tis is...

Do I get my Oath Letter mailed from my local USCIS Office where I interviewed?

Yes. Your local office schedules the ceremony and sends you a notice.