Report of the secretary of commerce and labor concerning patents granted to officers and employees of the government, under the provisions of public resolution no. 15

- publisher: Washington, Gov't print. off.
- creator: United States. Dept. of Commerce and Labor
- Keyword: Patents United States.
- years: 1908.
- pages: 83 p.
- language: eng
- lccn: s
- class: T223
- download: pdf file