All Patents of Type: doors and windows |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
307X | Nov. 20, 1800 | W. Young | Hanging Windows Without Weights | doors and windows |
524X | Feb. 24, 1804 | W.W. Hopkins | Improvement in Hanging Window Sashes | doors and windows |
5,162X | Jul. 14, 1828 | H. Seely | Self-adjusting spring for window blinds | doors and windows |
NS-44 | Oct. 22, 1858 | J.M. Forrest | Weather strip for doors | doors and windows |
590,724 | Sep. 28, 1897 | A.J. Ives | Fire-door | doors and windows |
CA-565,218 | Oct. 28, 1958 | A.M. Buehler | Sectional metal doors | doors and windows |