A bill of sale a document that is evidence of an assignment or sale of personal property. Tangible personal property is property that we can see, touch and not affixed to real property as a fixture. Examples of tangible personal property would be vehicles, machinery, office equipment and inventory. Intangible personal property includes claims and debts (also called choses in action), copyrights, patents, and trademarks. Both tangible and intangible personal property can be transferred by a bill of sale. This document can provide both the seller and buyer with a record of what has been sold, to whom, when, and for what price.