Assignee
Inventors
- Larry K. Johnson (38 patents)
- Austin S. O'Malley (7 patents)
- Robert M. Fife (3 patents)
- Walter L. Walas (2 patents)
- Robert K. Peterson (17 patents)
- Larry J. Mowatt (8 patents)
- Maurice M. Guy (3 patents)
US Patent 4776804 · Granted Oct 11, 1988