|
Up: Patent Index |
236,817 · Hyatt · "Illuminating-Grating or Perforated Plate of Metal and other Materials, and Constructions made therefrom" · Drawing 2 Home > Prism Glass > Patent Index > Drawing 2 |
236,817: 5 of 6 |
|
Drawings: 136 of 667 |
![]() |