Assignee
HELIX INTERNATIONAL LTD
3 granted patents·19 citations·filing 1977–1977
Technology mixB43L3
Top patents by PatentIndex Score
3 records- 0152US4146965ADrawing instrumentHELIX INTERNATIONAL LTD·Filed 1977·Granted Apr 3, 1979·12 cites·9 claims
- 0231US4150486ADrawing compassHELIX INTERNATIONAL LTD·Filed 1977·Granted Apr 24, 1979·5 cites·10 claims
- 0325US4104801ADrawing instrumentHELIX INTERNATIONAL LTD·Filed 1977·Granted Aug 8, 1978·2 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when HELIX INTERNATIONAL LTD 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 →