| Patents for Hinsdale Smith |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 624,555 | May 09, 1899 | H. Smith | Explosive Engine | gas and gasoline engines |
| 626,444 | Jun. 06, 1899 | H. Smith | Variable Speed Gearing | industrial machine speed and direction changing mechanisms |
| 626,445 | Jun. 06, 1899 | H. Smith | Variable Speed Gearing | industrial machine speed and direction changing mechanisms |
| 632,762 | Sep. 12, 1899 | H. Smith | Gas Engine | gas and gasoline engines |
| 632,763 | Sep. 12, 1899 | H. Smith | Explosive Gas Engine | gas and gasoline engines |
| 657,576 | Sep. 11, 1900 | H. Smith | Gas Engine | gas and gasoline engines |
| 663,475 | Dec. 11, 1900 | H. Smith | Gas Engine | gas and gasoline engines |
