creator Bradstreet, Samuel W. creator Griffith, James S. Submitted by Aric Ahrens (ahrens@iit.edu) on 2010-02-25T18:14:15Z No. of bitstreams: 1 2900244.pdf: 409205 bytes, checksum: 692d19321451da45f86e580b490e4312 (MD5) Made available in DSpace on 2010-02-25T18:14:15Z (GMT). No. of bitstreams: 1 2900244.pdf: 409205 bytes, checksum: 692d19321451da45f86e580b490e4312 (MD5) Previous issue date: 1959-08-18 Armour Research Foundation of Illinois Institute of Technology 1959-08-18 2,900,244 http://hdl.handle.net/10560/304 en United States Patent Patent reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access