EC

Ernie W. Cummings

DR Drain-All: 4 patents #1 of 6Top 20%
📍 Murfreesboro, TN: #60 of 388 inventorsTop 20%
🗺 Tennessee: #3,725 of 20,272 inventorsTop 20%
Overall (All Time): #1,060,981 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5014735 Automatic drain valve — 1991-05-14
5004004 Automatic drain valve — 1991-04-02
4779640 Automatic drain valve Ralph W. Farkas 1988-10-25
4574829 Automatic drain valve Nick Valk 1986-03-11
4562855 Automatic drain valve Nick Valk 1986-01-07