Assignee
Inventors
- Sherman Howell Creed (15 patents)
- Norman A. Planck, Jr. (6 patents)
- Wesley W. Walter (2 patents)
- Thomas F. Burks (1 patents)
- Carl E. Lindow (2 patents)
- Eduard Hendrikus Johannes Damhuis (11 patents)
US Patent 5105606 · Granted Apr 21, 1992