IS

Irwin Selinger

GR Graham-Field: 2 patents #1 of 8Top 15%
Overall (All Time): #2,260,038 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5747752 Stethoscope with disposable chestpiece 1998-05-05
5514840 Stethoscope 1996-05-07