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| All Patents in class 49/448 | |||||
| Number | Date | Patentee | Title | Type | |
| 386,182 | Jul. 17, 1888 | J. Booth | Window-jamb | ||
| 483,968 | Oct. 04, 1892 | F.V. Phillips | Window-frame pocket | window making machines | |
| 497,070 | May 09, 1893 | F.E. Farwell | Machine for cutting pockets in window-jambs | window making machines | |
| 560,950 | May 26, 1896 | J.M. Thorpe | Window pocket and cover | window making machines | |