![[Main Page]](/en/upload/wiki.png)
Main Page
Patent:USD181754
| Patent: | US D181754 |
| Title: | Abacus |
| Date: | 17.12.1957 |
| Place: | |
| Country: | USA |
| Person: | A. F. Scott |
| Company: | |
| Internal Links: | Kugelrechner |
| Keywords: | |
| Link to the patent office: (without guarantee) |  USD181754 (espacenet), USD181754 (uspto) |
(There is currently no text in this page)