Program: HathiTrust Digital Library
- Publisher: [U.S. Patent and Trademark Office] :
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 3577252
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1991-1994; 2003; 2005
|
committed to retain | 2015-05-30 | HTDL |
|