There's a lot more...
Jordan V
www.google.com/patents?id...r+Hatfield
www.google.com/patents?id...r+Hatfield
Jordan VI
www.google.com/patents?id...r+Hatfield
Jordan VII
www.google.com/patents?id...r+Hatfield
Jordan VIII
www.google.com/patents?id...r+Hatfield...