RV

Robert S. Volk

BS Binney & Smith: 8 patents #6 of 92Top 7%
Overall (All Time): #663,401 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6565275 Marker with eraser Douglas Brand, Vito Niosi 2003-05-20
6505984 Crayon with eraser David Scott Smith, Douglas Brand, Vito Niosi 2003-01-14
5533900 Stencil holder and kit and method of making an image 1996-07-09
D360894 Writing surface and enclosure for supplies Joseph A. Marino 1995-08-01
D360649 Writing surface and enclosure for supplies Joseph A. Marino 1995-07-25
D356822 Stencil holder 1995-03-28
D356334 Writing surfaces and container for supplies Tracy D. Kroop, Nancy A. DeBellis, Charles W. Dietterich 1995-03-14
5388689 Writing surfaces and container for supplies Tracy D. Kroop, Nancy A. DeBellis, Charles W. Dietterich 1995-02-14