CHROMEL

Electrical and Scientific Apparatus

Owner

CONCEPTECH, INC.

Sep 4, 2007
CERAMITHERM

Electrical and Scientific Apparatus

Owner

CONCEPTECH, INC.

Mar 21, 2000

Metal Goods and 2 other

Owner

CONCEPTECH, INC.

Jun 12, 1990
ALUMEL

Housewares and Glass

Owner

CONCEPTECH, INC.

Aug 6, 1957
CHROMEL

Housewares and Glass

Owner

CONCEPTECH, INC.

Aug 6, 1935