Assignee

MONTGOMERY JOHN W

US·1 granted patent·252 citations·filing 1985–1985

Technology mixA63F1 A63H1 B42D1 B44F1 G02F1 G06F1

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0193US4703573AVisual and audible activated work and method of forming sameMONTGOMERY JOHN W·Filed 1985·Granted Nov 3, 1987·252 cites·46 claims

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