Assignee

ALPHA METAL CORP

TW·1 granted patent·66 citations·filing 1986–1986

Technology mixA47C1 A63B1 E06C1

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1 record

0180US4648481AMultipurpose aluminum folding ladder equipped with a detachable stand-on board and supporting handrailsALPHA METAL CORP·Filed 1986·Granted Mar 10, 1987·66 cites·6 claims

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