![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Wallace A. Downs | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 298,029 | May 06, 1884 | N. Sawyer | Tap Wrench | |
![]() | 300,901 | Jun. 24, 1884 | N. Sawyer | Die Stock and Die | |
| 736,939 | Aug. 25, 1903 | H.W. Cole | Grinding apparatus | ||