H. B. Schall

Patent Reviews: 6,473,188 B1; 6,473,190 B1; 6,473,239 B2; 6,473,543 B2; 6,476,906 B1; 6,483,593 B1; 2002/0109839 A1

Robert H. Webb, A. Brunsting, G. E. Cohn, 2003 .

Patent Reviews: 6,246,481; 6,246,823; 6,256,096; 6,265,705; 6,268,910; 6,278,521; 6,285,448; 6,285,452; 6,301,416; 6,307,634; 6,307,636; 6,313,914; 6,313,915; 6,316,764; 6,320,196

Robert H. Webb, A. Brunsting, G. E. Cohn, 2002 .