Assignee
No assignee recorded.
Inventors
- Louis S. Hoffman (18 patents)
- William Bohmer (30 patents)
- Ralph DeVito (23 patents)
- Brian R. Langille (4 patents)
- Richard D. Watkins (22 patents)
- Charles B. Sanders (5 patents)
- Martha E. Kerch (4 patents)
US Patent 4722372 · Granted Feb 2, 1988
No assignee recorded.