creator Anderson, Marvin E. creator Van Scoyoc, James N. creator Owen, Donald B. creator Van Den Heuvel, Anthony P. Submitted by Aric Ahrens (ahrens@iit.edu) on 2011-09-01T18:27:58Z No. of bitstreams: 1 3553716.pdf: 379240 bytes, checksum: 90ed61db23908a4089df49683087bb44 (MD5) Made available in DSpace on 2011-09-01T18:27:58Z (GMT). No. of bitstreams: 1 3553716.pdf: 379240 bytes, checksum: 90ed61db23908a4089df49683087bb44 (MD5) Previous issue date: 1971-01-05 IIT Research Institute 2009-04-27 1971-01-05 3,553,716 http://hdl.handle.net/10560/2180 en United States Patent Patent reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access