SM

Steven William MacMaster

EA E.I. Du Pont De Nemours And: 4 patents #1,770 of 8,010Top 25%
EA E. I. Du Pont De Nemours Aand: 1 patents #1 of 57Top 2%
📍 Philadelphia, PA: #779 of 4,834 inventorsTop 20%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,022,568 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8014066 Reflection-type projection screen Eric W. Teather 2011-09-06
7710623 Security hologram, method of recording same, and method of using same wherein the holographic imaging includes a single coherent beam of electromagnetic radiation in combination with a Lloyd's mirror to provide both reference and object beams 2010-05-04
7247356 Privacy screen for a display 2007-07-24
7170680 Privacy screen for a display 2007-01-30
7052746 Privacy screen for a display 2006-05-30