Assignee
HELIX INFORMATION SERVICES INC
US·4 granted patents·182 citations·filing 1995–2003
Technology mixA63F4
Top patents by PatentIndex Score
4 records- 0175US6866267B1Card gameHELIX INFORMATION SERVICES INC·Filed 2003·Granted Mar 15, 2005·20 cites·18 claims
- 0274US5645281AMethod of playing a card gameHELIX INFORMATION SERVICES INC·Filed 1995·Granted Jul 8, 1997·90 cites·18 claims
- 0363US5725215AMethod for playing a card gameHELIX INFORMATION SERVICES INC·Filed 1996·Granted Mar 10, 1998·37 cites·4 claims
- 0462US5803460AMethod of playing a card gameHELIX INFORMATION SERVICES INC·Filed 1997·Granted Sep 8, 1998·35 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when HELIX INFORMATION SERVICES INC 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 →