| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 33/489 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 115,019 | May 23, 1871 | E. Bostock | Improvement in adjustable rulers | |
| 568,192 | Sep. 22, 1896 | F. Cramblitt | Key Seat Rule | ||
 | 700,156 | May 13, 1902 | R.J. Simpson | Draftsman's Scale | |
 | 854,325 | May 21, 1907 | H.F. Belcher | Desk Ruler | |