Inventor · disambiguated record

John D. Langdon

Also filed as: LANGDON JOHN D

2 granted patents·153 citations·filing 1986–1987

70Inventor score

Technology areasE04B F41J

Files withERICO INT CORP1 PIDDE VICTOR S1

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2 records

0189US4757967ABox supportERICO INT CORP·Filed 1986·Granted Jul 19, 1988·94 cites·18 claims
0281US4807888ADevice for the automatic operation of international metallic silhouette target platformsPIDDE VICTOR S·Filed 1987·Granted Feb 28, 1989·59 cites·5 claims

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