![]() | ![]() | ||
Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 174/152R | |||||
![]() ![]() ![]() ![]() ![]() ![]() | |||||
Picture | Number | Date | Patentee | Title | |
352,796 | Nov. 16, 1886 | C.W. Baldwin | Electrical Igniter for Gas Engines | ||
3,170,735 | Feb. 23, 1965 | H.H. Coffin | Insulated die set |