Nortronics Company, Inc.

Organization

Minneapolis, MN, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Optical inspection and alignment verification system
- Patent number 4,537,509
- Issue date Aug 27, 1985
- Nortronics Company, Inc.
- Leonard E. Kronfeld
- G01 - MEASURING TESTING
Information Patent Grant
Thin film magnetic transducer
- Patent number 4,357,640
- Issue date Nov 2, 1982
- Nortronics Company, Inc.
- John E. Heinz
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer arm assembly for floppy disk
- Patent number 4,343,025
- Issue date Aug 3, 1982
- Nortronics Company, Inc.
- Leonard E. Kronfeld
- G11 - INFORMATION STORAGE
Information Patent Grant
Beveled magnetic heads for floppy disk
- Patent number 4,315,292
- Issue date Feb 9, 1982
- Nortronics Company, Inc.
- Leonard E. Kronfeld
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer protection guide for diskette insertion and removal
- Patent number 4,315,293
- Issue date Feb 9, 1982
- Nortronics Company, Inc.
- Thomas J. Winkler
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer supporting assembly for double sided floppy disk
- Patent number 4,309,732
- Issue date Jan 5, 1982
- Nortronics Company, Inc.
- Leonard E. Kronfeld
- G11 - INFORMATION STORAGE
Information Patent Grant
Cassette tape eraser
- Patent number D261888
- Issue date Nov 17, 1981
- Nortronics Company, Inc.
- Mervin B. Kronfeld
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Back bar retainer for magnetic head
- Patent number 4,152,742
- Issue date May 1, 1979
- Nortronics Company, Inc.
- Leonard E. Kronfeld
- G11 - INFORMATION STORAGE
Information Patent Grant
Dispenser package for magnetic tape splicing tabs
- Patent number 4,113,141
- Issue date Sep 12, 1978
- Nortronics Company, Inc.
- Mervin B. Kronfeld
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Splicer for magnetic tape
- Patent number D245167
- Issue date Jul 26, 1977
- Nortronics Company, Inc.
- Mario F. Fernandez
- D16 - Photography and optical equipment

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74432520 - MAXI-FLUX
- Serial number 74432520
- Registration number 1842819
- Filing date Sep 7, 1993
- Nortronics Company, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73318217 - PROFORMANCE SERIES
- Serial number 73318217
- Registration number 1210170
- Filing date Jul 9, 1981
- Nortronics Company, Inc.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73201297 - RECORDER CARE
- Serial number 73201297
- Registration number 1149228
- Filing date Jan 25, 1979
- Nortronics Company, Inc.
- 3 - Bleaching preparations and other substances for laundry use
Information Trademark
73196872 - NORTRONICS
- Serial number 73196872
- Registration number 1131547
- Filing date Dec 14, 1978
- NORTRONICS COMPANY, INC.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73169360 - SOUND OFF
- Serial number 73169360
- Registration number 1123641
- Filing date May 8, 1978
- NORTRONICS COMPANY, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73159969 - NORTRONICS
- Serial number 73159969
- Registration number 1105340
- Filing date Feb 27, 1978
- NORTRONICS COMPANY, INC.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73116888 - HEAD SAVERS
- Serial number 73116888
- Registration number 1079174
- Filing date Feb 24, 1977
- NORTRONICS COMPANY, INC.
- 3 - Bleaching preparations and other substances for laundry use
Information Trademark
73106123
- Serial number 73106123
- Registration number 1079646
- Filing date Nov 10, 1976
- NORTRONICS COMPANY, INC.
- 3 - Bleaching preparations and other substances for laundry use
Information Trademark
73104179 - DURACORE
- Serial number 73104179
- Registration number 1066650
- Filing date Oct 22, 1976
- NORTRONICS COMPANY, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73051676 - MAGVIEW
- Serial number 73051676
- Registration number 1035595
- Filing date May 7, 1975
- NORTRONICS COMPANY, INC.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
72427964 - QM
- Serial number 72427964
- Registration number 975928
- Filing date Jun 22, 1972
- NORTRONICS COMPANY, INC.
- 3 - Bleaching preparations and other substances for laundry use
Information Trademark
72426824 - LTC
- Serial number 72426824
- Registration number 968174
- Filing date Jun 9, 1972
- NORTRONICS COMPANY, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72426843 - DIGIWAND
- Serial number 72426843
- Registration number 958971
- Filing date Jun 9, 1972
- NORTRONICS COMPANY, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72374250 - NORTRONICS
- Serial number 72374250
- Registration number 952642
- Filing date Oct 26, 1970
- NORTRONICS COMPANY, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72360523 - Z-COMBO
- Serial number 72360523
- Registration number 927792
- Filing date May 22, 1970
- NORTRONICS COMPANY, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72184497
- Serial number 72184497
- Registration number 779072
- Filing date Jan 13, 1964
- NORTRONICS COMPANY, INC., THE
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72039262 - NORTRONICS
- Serial number 72039262
- Registration number 678445
- Filing date Oct 21, 1957
- NORTRONICS COMPANY, INC., THE
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Nortronics Company, Inc.

Organization

Patents Grantslast 30 patents

Optical inspection and alignment verification system

Thin film magnetic transducer

Transducer arm assembly for floppy disk

Beveled magnetic heads for floppy disk

Transducer protection guide for diskette insertion and removal

Transducer supporting assembly for double sided floppy disk

Cassette tape eraser

Back bar retainer for magnetic head

Dispenser package for magnetic tape splicing tabs

Splicer for magnetic tape

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

74432520 - MAXI-FLUX

73318217 - PROFORMANCE SERIES

73201297 - RECORDER CARE

73196872 - NORTRONICS

73169360 - SOUND OFF

73159969 - NORTRONICS

73116888 - HEAD SAVERS

73106123

73104179 - DURACORE

73051676 - MAGVIEW

72427964 - QM

72426824 - LTC

72426843 - DIGIWAND

72374250 - NORTRONICS

72360523 - Z-COMBO

72184497

72039262 - NORTRONICS