![[Main Page]](/en/upload/wiki.png)
Main Page
Patent:US1261490
| Patent: | US 1261490 |
| Title: | Apparatus for Recording and Compiling Statistical Data |
| Date: | 02.04.1918 |
| Place: | |
| Country: | USA |
| Person: | W. B. Clark & F. J. Pritchard |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1261490 (espacenet), US1261490 (uspto) |
Aus der Patentschrift US1261490