RE

Robert Erko

SN Sleep Number: 15 patents #12 of 89Top 15%
TE Tennant: 12 patents #5 of 188Top 3%
📍 Apple Valley, MN: #21 of 500 inventorsTop 5%
🗺 Minnesota: #2,295 of 52,454 inventorsTop 5%
Overall (All Time): #141,836 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5943724 Electro-hydraulic brush down force control Daniel L. Mundt, Terry Schwartz, Paul Henderson 1999-08-31
5940928 Surface maintenance machine with computer controlled operational and maintenance systems 1999-08-24