"A trespass to a chattel may be committed by intentionally (a) dispossessing another of the chattel, or (b) using or intermeddling with a chattel in the possession of another." RESTATEMENT (SECOND) OF TORTS § 217 (1965).
One who commits a trespass to a chattel is subject to liability to the possessor of the chattel if, but only if,
(a) he dispossesses the other of the chattel, or
(b) the chattel is impaired as to its condition, quality, or value, or
(c) the possessor is deprived of the use of the chattel for a substantial time, or
(d) bodily harm is caused to the possessor, or harm is caused to some person or thing in which the possessor has a legally protected interest. RESTATEMENT (SECOND) OF TORTS § 218 (1965).