creator Watmough, Thomas creator Schey, John A. Submitted by Aric Ahrens (ahrens@iit.edu) on 2011-11-04T19:12:31Z No. of bitstreams: 1 3635068.pdf: 173599 bytes, checksum: 2e50455eb077fa77d8b0c025645874e2 (MD5) Made available in DSpace on 2011-11-04T19:12:31Z (GMT). No. of bitstreams: 1 3635068.pdf: 173599 bytes, checksum: 2e50455eb077fa77d8b0c025645874e2 (MD5) Previous issue date: 1972-01-18 IIT Research Institute 2009-04-29 1972-01-18 http://hdl.handle.net/10560/2293 3,635,068 en United States Patent Technical report reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access