13 Pa.C.S. § 7209
(a) Existence.—
(2) The warehouse also has a lien against the goods covered by the warehouse receipt or storage agreement or on the proceeds thereof in its possession for those charges and expenses, whether or not the other goods have been delivered by the warehouse if:
(c) Effectiveness against entrustors.—
(2) The lien or security interest is not effective against a person that before issuance of a document of title had a legal interest or a perfected security interest in the goods and that did not:
(i) deliver or entrust the goods or any document covering the goods to the bailor or the bailor's nominee with: