| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Frank J. Bohn | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,797,121 | Mar. 17, 1931 | F.J. Bohn | Micrometer Gage for Internal Threads | micrometers | |
| 1,797,122 | Mar. 17, 1931 | F.J. Bohn | Micrometer Gauge for Internal Threads | thread gages | |