Jacob A. Fehrman

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Helicopter composite blade spar and method
- Patent number 9,505,491
- Issue date Nov 29, 2016
- Sikorsky Aircraft Corporation
- Francis Edward Byrnes
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HELICOPTER COMPOSITE BLADE SPAR AND METHOD
- Publication number 20120045344
- Publication date Feb 23, 2012
- SIKORSKY AIRCRAFT CORPORATION
- Francis Edward Byrnes
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL