DATAGRAM
Filed: August 25, 1975
CHART PAPER
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 73061309
MICRO DIST
Filed: March 21, 1991
distillation apparatus for distilling small sample volumes for analytical purposes
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 74149827
Z MDA SCIENTIFIC
Filed: March 1, 1995
scientific measuring and detection equipment, including devices to detect toxic gasesin the workplace and trace impurities…
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 74639737
Z SIEGER
Filed: March 1, 1995
scientific measuring and detection equipment, including combustible and toxic gas detection equipment for portable and fixed…
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 74639738
ISOLOGGER
Filed: July 17, 1995
toxic gas monitors
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 74701662
DIGI-CAL
Filed: April 16, 1996
infrared gas detectors and parts therefore
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75088849
MICROSUPPPRESSOR
Device for suppressing the background conductivity of a sample stream in ion chromatography
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75615429
PEROXITOX
monitors for hydrogen peroxide gas
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75702533
AQUASEP
Chromatographic analytical scale columns
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75838299
ION RECOGNITION CHROMATOGRAPHY
separation of ionic species Analytical scale chromatography instruments for the
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75838380
ION RECOGNITION CHROMATOGRAPHY
Analytical scale chromatography instruments for the separation of ionic species
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75838427
Image Trademark
Analytical scale chromatography instruments for the separation of ionic species
Owned by: ZELLWEGER ANALYTICS, INC.
Serial Number: 75838774
