DP

David J. Pipkin

IBM: 6 patents #16,453 of 70,183Top 25%
📍 Longmont, CO: #440 of 2,039 inventorsTop 25%
🗺 Colorado: #6,668 of 40,980 inventorsTop 20%
Overall (All Time): #769,228 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4768040 Hand-held marking device in combination with a counter John S. Marzich 1988-08-30
4442144 Method for forming a coating on a substrate 1984-04-10
4387124 Coating apparatus and method 1983-06-07
4357899 Coating apparatus Dennis Jones 1982-11-09
4345543 Apparatus for forming a coating on a substrate 1982-08-24
4327130 Method and apparatus for forming a coating on both sides of a substrate 1982-04-27
4299186 Method and apparatus for applying a viscous fluid to a substrate Donald W. Schaefer 1981-11-10