54 Pa.C.S. § 1523: Laundering articles labeled with mark of owner.

No person shall, without the written consent of the owner thereof, launder, wash, clean, renovate or cause to be laundered, washed, cleaned or renovated, any towels, coats, aprons, uniforms, toilet devices or other supplies used for the purpose of cleanliness and sanitation, upon which a mark registered under this chapter is produced, and the possession of which is claimed by lease or rental from the owner thereof.