Data Recording Instrument Company Limited

Organization

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of impact printing ribbon cartridge
- Patent number 4,854,027
- Issue date Aug 8, 1989
- Data Recording Instrument Company Limited
- Michael J. Smith
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Transducer positioning apparatus with multiple modes of motion
- Patent number 4,831,315
- Issue date May 16, 1989
- Data Recording Instrument Company Limited
- Francis P. Hammond
- G05 - CONTROLLING REGULATING
Information Patent Grant
Bush securing mechanism
- Patent number 4,685,172
- Issue date Aug 11, 1987
- Data Recording Instrument Company Limited
- Dermot J. O'Connor
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Methods for manufacturing magnetic transducing heads
- Patent number 4,249,301
- Issue date Feb 10, 1981
- Data Recording Instrument Company Limited
- John R. Cartwright
- G11 - INFORMATION STORAGE
Information Patent Grant
Wire printing heads
- Patent number 4,226,544
- Issue date Oct 7, 1980
- Data Recording Instrument Company Limited
- Keith B. Davenport
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magnetic core formed from laminations
- Patent number 4,217,168
- Issue date Aug 12, 1980
- Data Recording Instruments Limited
- Peter C. Ridgway
- B32 - LAYERED PRODUCTS
Information Patent Grant
Magnetic material
- Patent number 4,199,382
- Issue date Apr 22, 1980
- Data Recording Instrument Company Limited
- Peter C. Ridgway
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacture of magnetic transducing heads
- Patent number 4,188,247
- Issue date Feb 12, 1980
- Data Recording Instrument Company Limited
- Peter C. Ridgway
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-track head with shielding elements interconnected with low re...
- Patent number 4,170,033
- Issue date Oct 2, 1979
- Data Recording Instrument Company Limited
- Peter C. Ridgway
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc storage device with track centering correction
- Patent number 4,149,199
- Issue date Apr 10, 1979
- Data Recording Instrument Company Ltd.
- David M. Chick
- G11 - INFORMATION STORAGE
Information Patent Grant
Video display apparatus display modification
- Patent number 4,146,878
- Issue date Mar 27, 1979
- Data Recording Instrument Co. Ltd.
- Ian D. MacArthur
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Paper guidance systems
- Patent number 4,136,979
- Issue date Jan 30, 1979
- Data Recording Instrument Company Limited
- Ronald N. Piper
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magnetic disc storage devices having compensation for dimensional c...
- Patent number 4,136,365
- Issue date Jan 23, 1979
- Data Recording Instrument Co. Ltd.
- David M. Chick
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature compensation for data storage apparatus
- Patent number 4,121,265
- Issue date Oct 17, 1978
- Data Recording Instrument Co., Ltd.
- Roman Derc
- G11 - INFORMATION STORAGE

Data Recording Instrument Company Limited

Organization

Patents Grantslast 30 patents

Manufacture of impact printing ribbon cartridge

Transducer positioning apparatus with multiple modes of motion

Bush securing mechanism

Methods for manufacturing magnetic transducing heads

Wire printing heads

Magnetic core formed from laminations

Magnetic material

Manufacture of magnetic transducing heads

Multi-track head with shielding elements interconnected with low re...

Magnetic disc storage device with track centering correction

Video display apparatus display modification

Paper guidance systems

Magnetic disc storage devices having compensation for dimensional c...

Temperature compensation for data storage apparatus

Patents Applicationslast 30 patents

Trademarklast 30 trademarks