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All Patents in class 165/4 | |||||
Number | Date | Patentee | Title | Type | |
34,155 | Jan. 14, 1862 | T. McDonough | Hot Air Engine | hot air engines | |
206,597 | Jul. 30, 1878 | B.F. McKinley | Hot-Air Engine | hot air engines | |
228,712 | Jun. 08, 1880 | E.F. Woodbury, G. Patten, J. Merrill, J.A. Woodbury | Air-Engine | hot air engines |