IFR Limited

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Stevenage, GB

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Patents Grantslast 30 patents

Information Patent Grant
Signal combiner
- Patent number 6,828,874
- Issue date Dec 7, 2004
- IFR Limited
- John Norman Wells
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for compensating for distortion in IQ modulators
- Patent number 6,400,233
- Issue date Jun 4, 2002
- IFR Limited
- Neil E. Thomas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for spectrum analysis by creating and manipula...
- Patent number 6,392,397
- Issue date May 21, 2002
- IFR Limited
- Neil Edwin Thomas
- G01 - MEASURING TESTING
Information Patent Grant
Local oscillator null circuit and method
- Patent number 4,654,886
- Issue date Mar 31, 1987
- IFR, Inc.
- Harold N. Selim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wideband, microwave regenerative divider with varactor tuning
- Patent number 4,641,101
- Issue date Feb 3, 1987
- IFR, Inc.
- Harold N. Selim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for wideband, continuous tuning of an oscillator
- Patent number 4,636,747
- Issue date Jan 13, 1987
- IFR, Inc.
- Harold N. Selim
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73302914 - TRAIL MASTER CUSTOM
- Serial number 73302914
- Registration number 1205374
- Filing date Mar 26, 1981
- I.F.R., Inc.
- 12 - Vehicles