Assignee
Inventors
- George J. Barlow (34 patents)
- Elmer W. Carroll (6 patents)
- James W. Keeley (35 patents)
- Wallace A. Martland (2 patents)
- Victor M. Morganti (8 patents)
- Arthur Peters (22 patents)
- Richard C. Zelley (8 patents)
US Patent 5274797 · Granted Dec 28, 1993