Douglas Cunningham

MA Manville: 1 patents #60 of 159Top 40%

SL Seven Towns Limited: 1 patents #3 of 6Top 50%

Overall (All Time): #2,248,551 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
5895306	Polygonal puzzle kit capable of three-dimensional construction, such as toy construction	—	1999-04-20
5100450	Method and apparatus for producing fibers	—	1992-03-31