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Steven Roy Davenport
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Yukon, OK, US
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Patents Grants
last 30 patents
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Patent Grant
Exhaust air transfer device for open system underwater diving
Patent number
8,418,689
Issue date
Apr 16, 2013
Davenport Innovations, Inc.
Steven Roy Davenport
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
Information
Patent Application
Exhaust Air Transfer Device for Open System Underwater Diving
Publication number
20170036745
Publication date
Feb 9, 2017
DAVENPORT INNOVATIONS, INC.
Steven Roy Davenport
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
EXHAUST AIR TRANSFER DEVICE FOR OPEN SYSTEM UNDERWATER DIVING
Publication number
20140190475
Publication date
Jul 10, 2014
DAVENPORT INNOVATIONS, INC.
Steven Roy Davenport
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL