Assignee
No assignee recorded.
Inventors
- Dennis G. Hepp (11 patents)
- Paul J. Beckmann (2 patents)
- Thomas C. Evans (47 patents)
- Robert A. Neumann (7 patents)
- Unknown
- Thomas L. Jirak (7 patents)
US Patent 4751726 · Granted Jun 14, 1988
No assignee recorded.