CELL-CHEX

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

ESR-100

Electrical and Scientific Apparatus

Owner

STRECK LABORATORIES, INC.

ESR-VACUUM TUBES

Electrical and Scientific Apparatus

Owner

STRECK LABORATORIES, INC.

STAK-CHEX

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

Dec 29, 1992
P.A.T.

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

Oct 16, 1990
CHEM-CHEX C

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

Mar 13, 1990
CAL-CHEX

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

Mar 14, 1989
PARA TECH

Chemicals

Owner

STRECK LABORATORIES, INC.

Sep 24, 1985
PARA LASER

Chemicals

Owner

STRECK LABORATORIES, INC.

Sep 24, 1985
PARA 8

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

Sep 18, 1984
PARA 7

Pharmaceuticals

Owner

STRECK LABORATORIES, INC.

Sep 18, 1984
HEPQUANT

Chemicals

Owner

STRECK LABORATORIES, INC.

May 31, 1983
PLATELET-CHEX

Chemicals

Owner

STRECK LABORATORIES, INC.

Apr 6, 1976
KRYORACK

Electrical and Scientific Apparatus

Owner

STRECK LABORATORIES, INC.

Jul 29, 1975
CELL-CHEX

Chemicals

Owner

STRECK LABORATORIES, INC.

Dec 23, 1975
FRIGICATOR

Electrical and Scientific Apparatus

Owner

STRECK LABORATORIES, INC.

Jan 13, 1976