Individual holder
CHELCUN DARRELL N
US·2 granted patents·23 citations·filing 2009–2010
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0189US8320089B1Apparatus, method, and system for integrating ground fault circuit interrupters in equipment-grounded high voltage systemsCHELCUN DARRELL N·Filed 2010·Granted Nov 27, 2012·11 cites·20 claims
- 0281US8537516B1Apparatus, method, and system for monitoring of equipment and earth ground systemsCHELCUN DARRELL N·Filed 2009·Granted Sep 17, 2013·12 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when CHELCUN DARRELL N files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →