Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Yih-O Tu | |||||
Number | Date | Patentee | Title | Type | |
2,830,628 | Apr. 15, 1958 | Y. Tu, D.D. Pettigrew | Multi-speed drive for band saws and the like | bandsaws | |
CA-585,901 | Oct. 27, 1959 | D.D. Pettigrew, Y. Tu | Multi-speed drive | metal cutting bandsaws |