Issued patents (PatFT).
| Corporate Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Alexandria, VA :
U.S. Patent and Trademark Office,
[1970]-
|
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/LPS19940 |
Internet
https://purl.fdlp.gov/GPO/LPS19940Available Online
| Call Number: |
C 21.31/17-2: |
|
|---|---|---|
| Call Number | Status | Get It |
| C 21.31/17-2: | Available | |