Assignee
Inventors
- Unknown
- Roger M. Swanson (11 patents)
- Timothy G. Struczewski (8 patents)
- James Fox (7 patents)
- Roy C. Lee (5 patents)
- Michael Terietzki (1 patents)
- Gary R. Skillman (3 patents)
- Ross E. Schroll (10 patents)
US Patent 5201854 · Granted Apr 13, 1993