HT CHEMICALS
Filed: February 2, 1987
CHROMATOGRAPHY COLUMNS AND PARTS THEREOF
Owned by: HT CHEMICALS, INC.
Serial Number: 73642693
MODCOLUMN
Filed: May 4, 1987
LABORATORY EQUIPMENT NAMELY, CHROMATOGRAPHIC COLUMN
Owned by: HT CHEMICALS, INC.
Serial Number: 73658891
MODADAPTER
Filed: May 4, 1987
CHROMATOGRAPHIC COLUMN ACCESSORIES, NAMELY, FITTING USED TO MOUNT TWO CHROMATOGRAPHIC COLUMNS, OF THE SAME INTERNAL DIAMETER…
Owned by: HT CHEMICALS, INC.
Serial Number: 73658892
CONADAPTER
Filed: May 4, 1987
CHROMATOGRAPHIC COLUMN ACCESSORIES, NAMELY, FITTING FOR USE BETWEEN CHROMATOGRAPHIC COLUMNS HAVING DIFFERENT DIAMETERS
Owned by: HT CHEMICALS, INC.
Serial Number: 73658893
ENDADAPTER
Filed: May 4, 1987
CHROMATOGRAPHIC COLUMN ACCESSORIES, NAMELY, WASHER FOR ACCOMMODATING END PLATES AT EACH END OF A CHROMATOGRAPHIC COLUMN
Owned by: HT CHEMICALS, INC.
Serial Number: 73658894
SECTADAPTER
Filed: May 4, 1987
CHROMATOGRAPHIC COLUMN ACCESSORIES, NAMELY, FITTING FOR MOUNTING FRITS BETWEEN TWO CHROMATOGRAPHIC COLUMNS
Owned by: HT CHEMICALS, INC.
Serial Number: 73658895
MODGUARDCOLUMN
Filed: May 4, 1987
CHROMATOGRAPHIC ACCESSORIES, NAMELY, A SHORTENED CHROMATOGRAPHIC COLUMN FOR USE AS THE INTRODUCTORY COLUMN FOR A SERIES…
Owned by: HT CHEMICALS, INC.
Serial Number: 73658897
