2 Patents
n.d.no date or unknown
Device and method for testing dexterity
Dunn, William L⋅Demby, Hiawatha C⋅Van Haaren, Michael H⋅Yacout, Abdelfatah M and Williams, Mark E (Inventors).
5755576
 
Method and apparatus for non-destructive detection of hidden flaws
Dunn, William L (Inventor).
6157699