Number | Name | Date | Kind |
---|---|---|---|
3385001 | Bordnew | May 1968 | |
3448543 | Multer | Jun 1969 | |
3535824 | Kessler | Oct 1970 | |
4447985 | Weber et al. | May 1984 | |
4538380 | Colliander | Sep 1985 | |
5005317 | Saint-Louis Augustin et al. | Apr 1991 | |
5056263 | Bies | Oct 1991 | |
5174065 | Schlicht | Dec 1992 |
Number | Date | Country |
---|---|---|
2230811 | Oct 1990 | GBX |
Entry |
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Wausau brochure dated 1985 entitled Aluminum Windows & Curtain Wall-window products. |
Wausau brochure (pp. A/46-A/50) entitled Custom Operable. |
EFCO Corp. Window Sections Drawings (2 sheets) dated Apr. 1990 entitled Shadowline Vertical Stacking & Mtg. Rail Vertical Ribbon Window System. |