General information concerning patents
| Other Authors: | United States. Patent and Trademark Office. |
|---|---|
| Format: | Unknown |
| Language: | English |
| Published: |
Alexandria, Virginia :
United States Patent and Trademark Office.
|
| Physical Description: |
1 online resource. |
| Subjects: | |
| Online Access: |
https://purl.fdlp.gov/GPO/LPS61070 |