| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Henry P. Holt | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 363,508 | May 24, 1887 | F.H. Anderson, H.P. Holt, F.W. Crossley | Pendulum Governor for Gas Motor Engines | internal combustion engine governors | |
| 370,258 | Sep. 20, 1887 | F.W. Crossley, H.P. Holt | Gas Motor Engine | gas and gasoline engines | |