NS

Norval Stapelfeld

DO Dogwatch: 2 patents #1 of 3Top 35%
📍 Brookline, MA: #28 of 238 inventorsTop 15%
🗺 Massachusetts: #731 of 6,384 inventorsTop 15%
Overall (2002): #48,068 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6467435 Animal control system Frederic T. Peterson, Thomas Mariner 2002-10-22
6360698 Animal control system Frederic T. Peterson, Thomas Mariner 2002-03-26