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Up: Patent Index 		595,272 · Soper · "Ventilated Prism" · Drawing 1
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595,272: 3 of 4

First: 8,058X · Rockwell · "Vault Light" · Drawing Last: 397,371 · Deutsche Glasbau-Gesellschaft · "Improvements in Moulds for use in the Construction of Floor Slabs, Wall Panels, Pavement Lights, Windows and the like of Glass Framed in Ferroconcrete" · Drawing Prev: 595,271 · Soper · "Prism-Light" · Drawing Next: 595,272 · Soper · "Ventilated Prism" · Drawing 2 Navigation
Drawings: 523 of 667 		Soper · Ventilated Prism