Duane William Powell

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La Porte City, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tool for installing threaded knives with lock nuts
- Patent number 7,117,763
- Issue date Oct 10, 2006
- American Soil Technologies, Inc.
- Duane William Powell
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Quick coupler assembly with dual hook members
- Patent number 7,048,070
- Issue date May 23, 2006
- Deere & Company
- Duane William Powell
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Quick coupler assembly with dual hook members
- Patent number 6,896,070
- Issue date May 24, 2005
- Deere & Company
- Robert Lee Wood, Jr.
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Tool for installing threaded knives with lock nuts
- Publication number 20060123953
- Publication date Jun 15, 2006
- American Soils Technologies
- Duane William Powell
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Quick coupler assembly with dual hook members
- Publication number 20050017473
- Publication date Jan 27, 2005
- Deere & Company, a Delaware corporation
- Duane William Powell
- B60 - VEHICLES IN GENERAL
Information Patent Application
Quick coupler assembly with dual hook members
- Publication number 20050012305
- Publication date Jan 20, 2005
- Deere & Company, a Delaware corporation
- Robert Lee Wood
- B60 - VEHICLES IN GENERAL