DH

Donald Hollenbeck

📍 Seaford, DE: #2 of 4 inventorsTop 50%
🗺 Delaware: #180 of 593 inventorsTop 35%
Overall (2019): #483,593 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10278889 Modular self-massage apparatus Craig A. Olschansky, William Robert Hanson, Howard A. Wilson 2019-05-07