Acquisition Source
Headquarters
Document Type
Other - Patent
Date Acquired
August 24, 2013
Publication Date
December 19, 1989
Report/Patent Number
Patent Number: US-Patent-4,887,780Patent Application Number: US-Patent-Appl-SN-292046 Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-4,887,780
Patent Application
US-Patent-Appl-SN-292046