| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for George Porter Pierce | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,114,512 | Oct. 20, 1914 | G.P. Pierce | Machine for making pulley-stiles for window-sash frames | window making machines | |