![]() | ![]() | ||
Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Charles S. Hisey | |||||
![]() ![]() ![]() ![]() ![]() ![]() | |||||
Picture | Number | Date | Patentee | Title | |
514,713 | Feb. 13, 1894 | C.S. Hisey | Gas Engine | ||
![]() | 712,537 | Nov. 04, 1902 | C.S. Hisey | Electric grinding device | |
![]() | 752,223 | Feb. 16, 1904 | C.S. Hisey | Variable-speed mechanism |