Assignee
Inventors
- Ashit K. Ganguly (100 patents)
- Richard J. Friary (21 patents)
- John H. Schwerdt (8 patents)
- Marvin Siegel (26 patents)
- Sidney R. Smith (21 patents)
- Vera A. Seidl (8 patents)
- Edmund J. Sybertz (6 patents)
US Patent 4810708 · Granted Mar 7, 1989