A B C D E F G H I J L M N O P R S T U
-D-
Subject | Telephone | Fax | TTY |
---|---|---|---|
Deposit Accounts See the Deposit Account Rules and Information page | 571-272-6500 | 571-273-6500 | |
Depository Libraries, Patent and Trademark See Patent and Trademark Resource Centers | |||
DNA Sequence Patent See Scientific and Technical Information Center (STIC) | |||
Document Sales See Patent and Trademark Office Documents (Certified or Uncertified) | |||
Drawing Corrections, Patents See Application Assistance Unit |