DH

Donald Hirsh

BT Brightview Technologies: 6 patents #11 of 22Top 50%
📍 Beltsville, MD: #9 of 160 inventorsTop 6%
🗺 Maryland: #4,049 of 35,612 inventorsTop 15%
Overall (All Time): #657,879 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D607035 Portable front projection screen Douglas Adams, Sean Hillard 2009-12-29
D607034 Portable front projection screen Douglas Adams, Robert L. Wood, Edward Fadel, Sean Hillard 2009-12-29
7595930 Portable front projection screens Douglas Adams, Sean Hillard 2009-09-29
D596657 Portable front projection screen Douglas Adams, Sean Hillard 2009-07-21
D594894 Portable front projection screen Douglas Adams, Robert L. Wood, Edward Fadel, Sean Hillard 2009-06-23
7489444 Portable front projection screen assemblies with flexible screens Douglas Adams, Robert L. Wood, Edward Fadel, Sean Hillard 2009-02-10
6065159 Protective helmet for active use by a wearer in a sports activity 2000-05-23
D410768 Soccer helmet 1999-06-08