| Patents for Frank H. van Houten |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 382,123 | May 01, 1888 | F.H. van Houten | Lathe Chuck | metal lathe chucks |
| 408,863 | Aug. 13, 1889 | F.H. van Houten | Blind-slat-planing machine | windowblind machines |
| 435,265 | Aug. 26, 1890 | F.H. van Houten | Wood-working machine | molders |
| 460,168 | Sep. 29, 1891 | F.H. van Houten | Machine for Forming Geometrical Figures on Spherical or Curvilinear Bodies | metal engraving machines |
| 480,444 | Aug. 09, 1892 | F.H. van Houten | Molding-machine | molders |
| 543,712 | Jul. 30, 1895 | F.H. van Houten | Machine for Cutting and Tenoning Window Blind Slats | windowblind machines |
