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| All Patents of Type: flue cleaners | |||||
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| Number | Date | Patentee | Title | Type | |
| 217,570 | Jul. 15, 1879 | J.F. Doolittle, J. Aitchison | Boiler Flue Cleaner | flue cleaners | |
| 433,100 | Jul. 29, 1890 | L.I. Seymour | Flue Cleaner | flue cleaners | |
| 441,858 | Dec. 02, 1890 | G.S. Smith | Boiler Flue Cleaner | flue cleaners | |
| 513,176 | Jan. 23, 1894 | C.E. Davey | Flue Cleaner | flue cleaners | |