Assignee
Inventors
- Natalie A. Merrill (17 patents)
- James M. Farley (37 patents)
- Martha Hetzel Robertson (2 patents)
- Charles Lewis Sims (29 patents)
- Richard B. Pannell (54 patents)
- Angelo A. Montagna (20 patents)
US Patent 5652308 · Granted Jul 29, 1997