Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

—

Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

—

Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Sep 28, 1999

Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Oct 24, 2000

Machinery

Owner

SEMI-GAS SYSTEMS, INC.

—

Metal Goods

Owner

SEMI-GAS SYSTEMS, INC.

Oct 3, 1995

Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Oct 1, 1996

Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Oct 1, 1996
PURIFILTER

Environmental Control Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Dec 28, 1993
CHEM-SAFE

Metal Goods

Owner

SEMI-GAS SYSTEMS, INC.

Oct 11, 1988
GASSAFE

Electrical and Scientific Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Aug 16, 1988
VENT-VAC

Electrical and Scientific Apparatus

Owner

SEMI-GAS SYSTEMS, INC.

Mar 28, 1989