Assignee
Inventors
- Carl J. Staab (6 patents)
- Robert W. Boehmer (2 patents)
- Kirk D. Houser (4 patents)
- Donald J. Jones (17 patents)
- Robert T. Ihrman (2 patents)
- Donald A. Poepsel (2 patents)
- Warren A. Edblad (10 patents)
US Patent 5142623 · Granted Aug 25, 1992