| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Helen F. Lillis | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 983,562 | Feb. 07, 1911 | M. Murray | Pipe Flange Wrench | |
 | D42,347 | Mar. 26, 1912 | A.D. Armstrong | Design for a Level | |
 | 1,081,700 | Dec. 16, 1913 | F.W. Riesenberg | Wrench | |
 | 1,122,165 | Dec. 22, 1914 | L. Schoening | Pliers | |
 | 1,363,288 | Dec. 28, 1920 | C.A. Swanson | Mower-guard | |
 | 1,421,485 | Jul. 04, 1922 | E.E. Jones | Cone belt shifter | |