RR

Richard J. Richings

CH C D P Holdings: 1 patents #2 of 4Top 50%
📍 Seattle, WA: #5,779 of 21,776 inventorsTop 30%
🗺 Washington: #19,482 of 76,902 inventorsTop 30%
Overall (All Time): #1,014,082 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8469345 Automated, adjustable, machine-tool work-piece-mounting apparatus Robert A. Samac, Kevin Hay 2013-06-25
6443140 Accurate, multi-axis, computer-controlled object projection machine Doug A. Crews 2002-09-03
6347011 Projection screen with movable shutter Doug A. Crews 2002-02-12
6111693 Projection screen with movable shutter Doug A. Crews 2000-08-29
6082350 Accurate, multi-axis, computer-controlled object projection machine Doug A. Crews 2000-07-04