DH

David Michael Holland

AG Analytical Graphics: 1 patents #15 of 33Top 50%
MA Marubeni-Itochu Tubulars America: 1 patents #2 of 3Top 70%
Overall (All Time): #2,003,974 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9310007 Positive seal coupling system 2016-04-12
6195553 Method and apparatus for determining optimal paths among objects of a communications network Douglas J. Claffery, James Woodburn 2001-02-27