Inventor · disambiguated record

Cletus N. Welch

Also filed as: WELCH CLETUS N

25 granted patents·1 pending application·2,202 citations·filing 19742002

97Inventor score
Technology areasC25BY10TC01BC08FC09K
Files withPPG INDUSTRIES INC16PPG IND OHIO INC6TRANSITIONS OPTICAL INC3

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