| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Charles H. Whipple | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,051,531 | Jan. 28, 1913 | C.H. Whipple | Eccentric Boring Tool Holder | drilling and boring tool holders | |
| 1,254,753 | Jan. 29, 1918 | C.H. Whipple | Machine for Manufacturing Twist Drills & Other Articles | making drills and augers | |