![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for Nils P. Walters | |||||
| Number | Date | Patentee | Title | Type | |
| 785,135 | Mar. 21, 1905 | N.P. Walters | Ballast Handling Device | railroad track maintenance tools | |