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| Patents for A. C. Phelps | |||||
| Number | Date | Patentee | Title | Type | |
| 491,549 | Feb. 14, 1893 | E.J. Gordon | Blast-pipe for furnace-grates | stationary boilers | |
| 501,064 | Jul. 11, 1893 | E.J. Gordon | Grate | furnaces | |