QUANTICHEM
Filed: October 2, 1957
COLORIMETRIC ANALYZING AND RECORDING APPARATUS
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 72038233
AQUALYZER
Filed: November 27, 1981
Electronic Analyzing Unit for Use in Determining the Presence of Silica, Phosphate [ and Hardness ] in Water
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 73339092
W
Filed: January 8, 1987
INDUSTRIAL WATER TREATMENT CHEMICALS FOR BOILER WATER TREATMENT
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 73638866
WALTRON
Filed: May 15, 1989
INDUSTRIAL WATER TREATMENT CHEMICALS FOR BOILER WATER TREATMENT, DRINKING WATER TREATMENT AND CONDITIONING HARD WATER TO…
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 73800306
W
Filed: May 17, 1989
INSTRUMENTS FOR WATER ANALYSIS, NAMELY HYDRAZINE ANALYZERS, OIL IN WATER ANALYZERS, COLORIMETRIC ANALYZERS AND DISSOLVED…
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 73800819
W
Filed: November 15, 1993
water analysis instruments, for on line and static measurement and monitoring of water quality
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 74457933
AQUALERT
Filed: April 13, 2000
WATER PURIFICATION UNITS FOR DOMESTIC AND INDUSTRIAL USE, AND PARTS THEREFOR; WATER FILTERS; REFILL PACKAGES COMPRISED OF…
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 76025561
AQUALERT
Scientific apparatus, namely, detection instruments for use with a water supply conduit system, for the analysis of water…
Owned by: WALTRON BULL & ROBERTS, LLC
Serial Number: 77546263
