DP

David Anthony Perkins

AC Aristech Chemical: 1 patents #38 of 74Top 55%
📍 Monroeville, PA: #195 of 710 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,278,377 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6070294 Hinge for a shower screen door Brian Perkins, Robert Michael Mead, Jon Seddon 2000-06-06
D418736 Hinge Brian Perkins, Robert Michael Mead, Jon Seddon 2000-01-11
D413505 Hinge Brian Perkins, Robert Michael Mead, Jon Seddon 1999-09-07
5300702 Recovering values from heavy ends in bisphenol-A production John Edward Aiken 1994-04-05