United States defensive publication.
| Previous Title: | Defensive publications (OCoLC)19109316 |
|---|---|
| Corporate Author: | |
| Format: | Microform Journal |
| Language: | English |
| Published: |
[Washington, D.C.] :
[United States Patent and Trademark Office,],
1976-
|
| Subjects: |
| Published: | Dec. 1976- |
|---|---|
| Item Description: | Title from caption. Title from film leader: US PTO defensive publications. Microform. |
| Physical Description: | volumes : illustrations |
| Publication Frequency: | Monthly |