Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Jonas P. Curtiss | |||||
Number | Date | Patentee | Title | Type | |
81,608 | Sep. 01, 1868 | J.P. Curtiss | Machine for Grinding Metal Articles | grinders | |
115,582 | Jun. 06, 1871 | J.P. Curtiss | Improvement in Screwdrivers | screwdriver blades | |
176,462 | Apr. 25, 1876 | J.P. Curtiss | Improvement in Awl-Hafts | tool holders |