Assignee
Inventors
- John F. Scarzello (16 patents)
- Daniel S. Lenko (10 patents)
- Albert D. Krall (5 patents)
- Wayne R. Grine (4 patents)
- Robert E. Brown (23 patents)
- George Usher (1 patents)
- Milton K. Mills (2 patents)
- Albert M. Syeles (3 patents)
US Patent 4302746 · Granted Nov 24, 1981