Assignee
Inventors
- Robert W. Rice (7 patents)
- David H. Sweet (11 patents)
- Charles W. Evans (10 patents)
- Gregory P. Wright (3 patents)
- James J. Howlett (13 patents)
- Nicholas D. Lappos (29 patents)
- Mark A. Johnston (37 patents)
US Patent 4817046 · Granted Mar 28, 1989