Douglas E. Freeman

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Lorain, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Light weight thermoplastic flex foam and hybrid duct system
- Patent number 10,647,074
- Issue date May 12, 2020
- The Boeing Company
- Walter Forrest Frantz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Light weight thermoplastic flex foam and hybrid duct system
- Patent number 9,669,593
- Issue date Jun 6, 2017
- The Boeing Company
- Walter Forrest Frantz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of forming a light weight thermoplastic flex foam and hybrid...
- Patent number 9,168,708
- Issue date Oct 27, 2015
- The Boeing Company
- Walter Forrest Frantz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Light Weight Thermoplastic Flex Foam and Hybrid Duct System
- Publication number 20170082314
- Publication date Mar 23, 2017
- The Boeing Company
- Walter Forrest Frantz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light Weight Thermoplastic Flex Foam and Hybrid Duct System
- Publication number 20130276959
- Publication date Oct 24, 2013
- Walter Forrest Frantz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LIGHT WEIGHT THERMOPLASTIC FLEX FOAM AND HYBRID DUCT SYSTEM
- Publication number 20080308674
- Publication date Dec 18, 2008
- Walter Forrest Frantz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL