Number | Name | Date | Kind |
---|---|---|---|
1259493 | Dorey | Mar 1918 | |
1612804 | Dorey | Jan 1927 | |
1758977 | Rolph | May 1930 | |
2818500 | Franck | Dec 1957 | |
3609348 | Marasco et al. | Sep 1971 | |
4160286 | Merritt | Jul 1979 | |
4180851 | Ericson, Jr. | Dec 1979 | |
4439816 | Litchfield | Mar 1984 | |
4460945 | Chan et al. | Jul 1984 | |
4658339 | Tammery et al. | Apr 1987 |
Entry |
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Brochure entitled Holophane Prismalume Luminaires, No. HL-755 1-84 by Manville Corp., Holophane Division, 4 pages; date printed on brochure: 1-84. |
Brochure entitled Holophane Prismpack II and Warehouse Prismpack II Reflector Series, No. HL-427 by Manville Corp., Holophane Division, cover page, pp.2 and 3, date printed on brochure: 1-84. |