CH

Charles W. Helm

TS Teleco Oilfield Services: 3 patents #9 of 50Top 20%
CI Cidra: 1 patents #46 of 63Top 75%
📍 Rocky Hill, CT: #44 of 212 inventorsTop 25%
🗺 Connecticut: #8,504 of 34,797 inventorsTop 25%
Overall (All Time): #1,033,796 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D557927 Collapsible table attached to storage shelves Dorothy M. Helm 2007-12-25
6317555 Creep-resistant optical fiber attachment Robert J. Maron, Guy A. Daigle, James Dunphy, Thomas Engel, John J. Grunbeck +1 more 2001-11-13
4877092 Near bit offset stabilizer Vernon E. Koval 1989-10-31
4575681 Insulating and electrode structure for a drill string Donald S. Grosso 1986-03-11
4319240 Electrical connector for borehole telemetry apparatus Frederick A. Stone, Ralph F. Spinnler 1982-03-09