| Patents for Israel Johnson Jr. |
Patents 1 -
3
of 3
      |
| Number | Date | Patentee | Title | Type |
| 4,331X | Feb. 08, 1826 | I. Johnson, Jr. | Reciprocating sawmill | sawmills |
| 5,475X | May 01, 1829 | I. Johnson, Jr. | For a machine to be used as a Hemp and Flax Dresser; as a Grain Thrasher; as a Grinder of Grain, Plaster, Paints, Barks, Dye-woods, and other hard substances; as a Cider and Clover Mill, and a Hulling Machine for Barley, Oats, Rice, &c. &c. | grinding mills |
| 5,486X | May 07, 1829 | I. Johnson, Jr. | Art of sawing boards and construction of saw mills | sawmills |
