Assignee
Inventors
- John P. Johndrow (3 patents)
- Paul Taylor (40 patents)
- Martin E. Wigg (6 patents)
- Harold M. Wright, deceased (2 patents)
- Julie K. by Whatson, administrator (1 patents)
- Sally-Anne by Wright, administrator (1 patents)
US Patent 4784292 · Granted Nov 15, 1988