John Frayn EWANS

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High Wycombe, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rowing power measurement
- Patent number 10,900,852
- Issue date Jan 26, 2021
- John Frayn Ewans
- G01 - MEASURING TESTING
Information Patent Grant
Display instruments allowing display orientation adjustment
- Patent number 9,804,268
- Issue date Oct 31, 2017
- John Frayn Ewans
- G01 - MEASURING TESTING
Information Patent Grant
Rowing-boat gauges
- Patent number 8,407,910
- Issue date Apr 2, 2013
- John Frayn Ewans
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Dispensing device
- Patent number 6,712,244
- Issue date Mar 30, 2004
- Brightwell Dispensers Limited
- Geoffrey Sallows
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

Patents Applicationslast 30 patents

Information Patent Application
ROWING POWER MEASUREMENT
- Publication number 20190107450
- Publication date Apr 11, 2019
- John Frayn EWANS
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
DISPLAY INSTRUMENTS
- Publication number 20160001868
- Publication date Jan 7, 2016
- John Frayn EWANS
- G01 - MEASURING TESTING
Information Patent Application
Rigger-spread measuring instruments
- Publication number 20040250438
- Publication date Dec 16, 2004
- John Frayn Ewans
- G01 - MEASURING TESTING