FB

Floyd S. Butterfield

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #757,723 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6820879 Container for recyclable materials 2004-11-23
6749206 Container for recyclable materials Michael O'Keefe 2004-06-15
6505842 Storing and transporting flexible sheets Michael O'Keefe 2003-01-14
6461862 Removal of malodorous gas from geothermal water 2002-10-08
6293568 Storing and transporting flexible sheets Michael O'Keefe 2001-09-25
5415514 Apparatus for storing and transporting stacks of flexible sheets 1995-05-16
5096368 Method for storing and transporting stacks of flexible sheets 1992-03-17