| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 33/420 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,438,432 | Dec. 12, 1922 | J.W. Evans | Framing Square with Pitch Attachment | squares | |
| 1,730,852 | Oct. 08, 1929 | W. Jenny | Angle and Hypotenuse Measuring Instrument | protractors | |