Acquisition Source
 Johnson Space Center 
Document Type
 Other - Patent 
Date Acquired
 August 24, 2013 
Publication Date
 September 1, 1992 
Report/Patent Number
Patent Number: US-PATENT-5,142,931Patent Application Number: US-PATENT-APPL-SN-655740 Funding Number(s)
 CONTRACT_GRANT: NAS9-18200
 Distribution Limits
 Public 
Copyright
 Work of the US Gov. Public Use Permitted. 
Patent
 US-PATENT-5,142,931 
Patent Application
 US-PATENT-APPL-SN-655740