Inventor: Noack, Reinhard
Inventor: Pounders, Jr., Cecil T.
Inventor: Jessel, Jr., Walter H.
Inventor: Stahnke, Otto, Dettmer, Peter
Inventor: Van Antwerp, Jim
Inventor: Hunt, Marilyn, Wadsworth, deceased, Grady
Inventor: Holtkamp, Sr., Reinhold
Inventor: Stahnke, Otto, Dettmer, Peter