DR

Douglas S. Richmond

MI Masco Corporation Of Indiana: 3 patents #4 of 24Top 20%
📍 Tucson, AZ: #29 of 401 inventorsTop 8%
🗺 Arizona: #131 of 2,209 inventorsTop 6%
Overall (2005): #24,859 of 245,428Top 15%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6935618 Valve component with multiple surface layers Richard P. Welty, Klaus Brondum, Patrick B. Jonte 2005-08-30
6920899 Fluid control valve Hans-Christoph Haenlein 2005-07-26
6904935 Valve component with multiple surface layers Richard P. Welty, Klaus Brondum, Patrick B. Jonte 2005-06-14