Number | Name | Date | Kind |
---|---|---|---|
625427 | Stewart et al. | May 1899 | |
753053 | Eberhardt | Feb 1904 | |
770050 | Dreyer | Sep 1940 | |
874514 | Lindow | Dec 1907 | |
3633950 | Gilb | Jan 1972 | |
3752512 | Gilb | Aug 1973 |
Number | Date | Country |
---|---|---|
862,969 | Feb 1971 | CA |
Entry |
---|
Sweet's Architectural Catalog File, 1975, vol. 3, Section 6.6/si, p. 8, PH Joist Hanger, lower left side of page. |