![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 72/90 | |||||
| Number | Date | Patentee | Title | Type | |
| 432,636 | Jul. 22, 1890 | S. Moore | Machine for Straightening and Sizing Twist Drills | making drills and augers | |
| 1,254,157 | Jan. 22, 1918 | C. Perkins | Machine for Use in the Manufacture of Nails | nail making machines | |
| 1,254,176 | Jan. 22, 1918 | L.W. Thorsell | Automatic Thread Rolling Machine | ||
| 2,967,444 | Jan. 10, 1961 | R.S. Litterst, E.E. Hallberg | Thread Rolling Machines | thread rolling machines | |