Assignee
Inventors
- Stephen A. Bowen (16 patents)
- Melvin C. August (31 patents)
- Stephen Cermak, III (11 patents)
- David R. Collins (22 patents)
- Steven Dean (35 patents)
- Perry D. Franz (11 patents)
- Max C. Logan (5 patents)
US Patent 5131859 · Granted Jul 21, 1992