Assignee
PSI
FR·4 granted patents·2,806 citations·filing 1987–1994
Top patents by PatentIndex Score
4 records- 0192US5540688AIntervertebral stabilization device incorporating dampersPSI·Filed 1994·Granted Jul 30, 1996·1.1k cites·20 claims
- 0291US5375823AApplication of an improved damper to an intervertebral stabilization devicePSI·Filed 1993·Granted Dec 27, 1994·959 cites·12 claims
- 0390US5480401AExtra-discal inter-vertebral prosthesis for controlling the variations of the inter-vertebral distance by means of a double damperPSI·Filed 1994·Granted Jan 2, 1996·706 cites·25 claims
- 0424US4791872AVehicle and track systemPSI·Filed 1987·Granted Dec 20, 1988·1 cites·15 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →