DB

David William Beal

GE Gersan Establishment: 1 patents #13 of 28Top 50%
Overall (All Time): #3,682,911 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5746645 Working a natural or synthetic hard stone such as a gemstone Peter Armstrong Aked, David A. Homer, Timothy James Osgood, Eric Jozef Gentil Blondeel, Ewan Croucher 1998-05-05