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All Patents in class 123/147 | |||||
Number | Date | Patentee | Title | Type | |
320,285 | Jun. 16, 1885 | D.S. Regan | Electric Igniter Device for Gas Engines | ignition systems | |
545,553 | Sep. 03, 1895 | H. Thau | Electric Igniting Apparatus for Gas Engines | ignition systems |