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David A. Prefling

Salome, AZ: #3 of 4 inventorsTop 75%

Arizona: #18,403 of 32,909 inventorsTop 60%

Overall (All Time): #3,717,878 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5638560	Sleeper bed for over-the-road tractors	Charles V. Rigdon	1997-06-17