DH

Douglas J. Hill

PH Physio-Control: 1 patents #1 of 9Top 15%
📍 York, ME: #3 of 7 inventorsTop 45%
🗺 Maine: #36 of 198 inventorsTop 20%
Overall (1997): #158,334 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5667121 Environmentally insensitive paper guide for strip chart recorders — 1997-09-16