DH

David V. Hefford

U.S. Philips: 1 patents #60 of 449Top 15%
📍 Esher, GB: #1 of 1 inventorsTop 100%
Overall (2002): #235,089 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6377750 Heating apparatus comprising a plastics body and a planar heating element Gerald R. Scott 2002-04-23