Individual holder
HARFORD JACK R
US·4 granted patents·134 citations·filing 1988–2005
Individually held — no corporate assignee on record.
Technology mixH02H4
Top patents by PatentIndex Score
4 records- 0188US4870534APower line surge suppressorHARFORD JACK R·Filed 1988·Granted Sep 26, 1989·56 cites·20 claims
- 0288US4870528APower line surge suppressorHARFORD JACK R·Filed 1988·Granted Sep 26, 1989·54 cites·16 claims
- 0385US7184252B2Surge protector with input transformerHARFORD JACK R·Filed 2005·Granted Feb 27, 2007·13 cites·16 claims
- 0466US7068487B2Surge protectorHARFORD JACK R·Filed 2004·Granted Jun 27, 2006·11 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when HARFORD JACK R 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 →