Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for John S. Birch and Company | |||||
Number | Date | Patentee | Title | Type | |
88,836 | Apr. 13, 1869 | J.S. Birch | Improvement in Self-Adjusting Watch-Keys | self-adjust wrenches | |
282,605 | Aug. 07, 1883 | J.S. Birch | Watch Key and Holding Tool | socket wrenches |