DH

David Harvey

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,446,039 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10571139 Modular vent for removing entrapped moisture with wind Stephen Pyle, Jim Johnson, Chris H. Hill, Mark Williamson, Andrew J. Six +1 more 2020-02-25
6352078 Hyperbaric chamber accessories Charles H. Wright 2002-03-05
5655256 Duct cleaning apparatus Bill L. Hendrix, Frank Goodman 1997-08-12