The invention described herein was jointly made by a Government employee and during the performance of work under NASA contract NAS1-19000 and NASA grant NAG1-569 and is subject to the provisions of Section 305 of the National Aeronautics and Space Act of 1958, as amended, Public Law 85-568 (72 Stat. 435; 42 U.S.C. 2457) and 35 U.S.C. 202. In accordance with 35 U.S.C. 202, the contractor elected not to retain title.
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