Assignee
Inventors
- Edward A. Thimons (2 patents)
- Robert G. Frank (45 patents)
- Michael T. Fecik (26 patents)
- George R. Claassen (24 patents)
- John J. Ewing (20 patents)
- Samuel L. Seymour (16 patents)
- Joseph C. Pavlik (4 patents)
US Patent 4666492 · Granted May 19, 1987