PTR PH
○ Dead · CancelledU.S. federal trademark · Serial No. 74350766 · Reg. No. 1814893
Filing Date
January 21, 1993
Registration Date
January 4, 1994
Goods & Services
wide variety of professional and technical books
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Run a free trademark search →Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.