GREAT LAKES INSTRUMENTS, INC.

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MILWAUKEE, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive pH adjustment for analytical instruments
- Patent number 5,693,204
- Issue date Dec 2, 1997
- Great Lakes Instruments Inc.
- William J. Popp
- G05 - CONTROLLING REGULATING
Information Patent Grant
Turbidimeter signal processing circuit using alternating light sources
- Patent number 5,140,168
- Issue date Aug 18, 1992
- Great Lakes Instruments, Inc.
- Karl L. King
- G01 - MEASURING TESTING
Information Patent Grant
Turbidimeter having a baffle assembly for removing entrained gas
- Patent number 5,059,811
- Issue date Oct 22, 1991
- Great Lakes Instruments, Inc.
- Karl L. King
- G01 - MEASURING TESTING

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Trademarklast 30 trademarks

Information Trademark
75010169 - GLI INTERNATIONAL
- Serial number 75010169
- Registration number 2107712
- Filing date Oct 20, 1995
- GREAT LAKES INSTRUMENTS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73557432 - VERSALYZER
- Serial number 73557432
- Registration number 1388172
- Filing date Sep 9, 1985
- GREAT LAKES INSTRUMENTS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73073513 - GLI
- Serial number 73073513
- Registration number 1058308
- Filing date Dec 22, 1975
- GREAT LAKES INSTRUMENTS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments