DM

Darwin T. McKnight

HL Hoover Limited: 2 patents #9 of 31Top 30%
📍 Louisville, OH: #2 of 7 inventorsTop 30%
🗺 Ohio: #711 of 5,754 inventorsTop 15%
Overall (2002): #68,856 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6401296 Vacuum cleaner nozzle adapter John D. Essex, Kenneth L. Symensma 2002-06-11
6374452 Tool storage door for a floor care appliance John D. Essex, Gad Shaanan, Ivan Brousseau, Walter Francovich, Luc Mion 2002-04-23