229910000851 Alloy steel Inorganic materials 0.000 abstract 1.
238000009434 installation Methods 0.000 abstract description 2.229910000838 Al alloys Inorganic materials 0.000 abstract description 2.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Fikkers John T filed Critical Fikkers John T Priority to US06/423,011 priority Critical patent/US4428457A/en Application granted granted Critical Publication of US4428457A publication Critical patent/US4428457A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Fikkers Original Assignee Fikkers John T Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US06/423,011 Inventor John T. Google Patents Window bracket support and scaffolding for building exteriorĭownload PDF Info Publication number US4428457A US4428457A US06/423,011 US42301182A US4428457A US 4428457 A US4428457 A US 4428457A US 42301182 A US42301182 A US 42301182A US 4428457 A US4428457 A US 4428457A Authority US United States Prior art keywords horizontal building vertical window welded Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4428457A - Window bracket support and scaffolding for building exterior US4428457A - Window bracket support and scaffolding for building exterior
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