Assignee
Inventors
- William F. Ehrsam (5 patents)
- Robert C. Elander (7 patents)
- Stephen M. Matyas (94 patents)
- Carl H. W. Meyer (17 patents)
- John L. Smith (3 patents)
- Walter L. Tuchman (8 patents)
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Skip to contentUS Patent 4238854 · Granted Dec 9, 1980