DH

Donald B. Heckman

MA Marsh-Mcbirney: 1 patents #2 of 3Top 70%
📍 Purcellville, VA: #1 of 2 inventorsTop 50%
🗺 Virginia: #300 of 1,409 inventorsTop 25%
Overall (1997): #158,356 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5644088 Port forward sensor for liquid level gauge or flowmeter — 1997-07-01