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Perry L. Coombs
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Claremont, NH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Modular mine service vehicle
Patent number
7,441,809
Issue date
Oct 28, 2008
Oldenburg Group Incorporated
Perry L. Coombs
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Translating turret rock bolter
Patent number
6,698,529
Issue date
Mar 2, 2004
Oldenburg Cannon, Inc.
Perry L. Coombs
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bolt centralizer
Patent number
6,598,309
Issue date
Jul 29, 2003
Oldenburg Cannon, Inc.
Perry L. Coombs
E21 - EARTH DRILLING MINING
Information
Patent Grant
Resin nozzle positioner
Patent number
6,447,210
Issue date
Sep 10, 2002
Oldenburg Cannon, Inc.
Perry L. Coombs
E21 - EARTH DRILLING MINING
Information
Patent Grant
Turret rock bolter with stinger/centralizer
Patent number
6,413,019
Issue date
Jul 2, 2002
Oldenburg Cannon, Inc.
Perry L. Coombs
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bolt delivery system with linear bolt magazine
Patent number
5,720,582
Issue date
Feb 24, 1998
Cannon Industries, Inc.
Ward D. Morrison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tool base securing system
Patent number
5,690,449
Issue date
Nov 25, 1997
Cannon Industries, Inc.
Ward D. Morrison
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Bolt delivery system
Patent number
5,597,267
Issue date
Jan 28, 1997
Cannon Industries, Inc.
Ward D. Morrison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock bolter
Patent number
5,556,235
Issue date
Sep 17, 1996
Cannon Industries, Inc.
Ward D. Morrison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Resin injector system
Patent number
5,494,380
Issue date
Feb 27, 1996
Cannon Industries, Inc.
Ward D. Morrison
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Translating turret rock bolter
Publication number
20030066665
Publication date
Apr 10, 2003
Perry L. Coombs
E21 - EARTH DRILLING MINING
Information
Patent Application
RESIN NOZZLE POSITIONER
Publication number
20020119014
Publication date
Aug 29, 2002
Perry L. Coombs
E21 - EARTH DRILLING MINING