DP

Derek A. Parkin

3M: 1 patents #276 of 881Top 35%
📍 Middridge, GB: #1 of 4 inventorsTop 25%
Overall (2025): #405,541 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12329994 Respirator flow control apparatus and method Garry J. Walker, Andrew Murphy, Desmond T. Curran, Thomas I. Insley, Mark A. J. Fernandes 2025-06-17