Posted by Rob FL on January 19, 1999 at 11:37:25:
I have heard this done but never done it myself.
A witness to the signature of the seller can go before a notary and state that they saw and witnessed the seller sign the document. There is a special type of notary acknowledgement for this.
Also if the buyer is a corporation and not you personally, you might be able to be the notary for the seller.
Probably should doublecheck this with your title company to make sure they are comfortable with it first.