General Information by Subject - D
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 Office of Finance On-Line shopping page at https://ramps.uspto.gov/eram/ |
571-272-6500 | 571-273-6500 | |
| Depository Libraries, Patent and Trademark
See Patent and Trademark Resource Centers |
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| DNA Sequence Patent See Scientific and Technical Information Center (STIC) |
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| Document Sales See Patent and Trademark Office Documents (Certified or Uncertified) |
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| Drawing Corrections, Patents See Application Assistance Unit |
