DH

David Harting

EL Eleven: 2 patents #1 of 4Top 25%
🗺 Massachusetts: #731 of 6,384 inventorsTop 15%
Overall (2002): #69,206 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D463887 Ramped cat litter box Glen V. Walter, Benjamin Beck, Douglas A. Marsden 2002-10-01
6405683 Retractable leash assembly Glen V. Walter, Benjamin Beck, Douglas A. Marsden 2002-06-18