Inventor · disambiguated record
Richard L. Rullman
Also filed as: RULLMAN RICHARD L
4 granted patents·103 citations·filing 1991–1996
80Inventor score
Files withHELENA LAB CORP3
Top patents by PatentIndex Score
4 records- 0182US5254350AMethod of preparing a thromboplastin extractHELENA LAB CORP·Filed 1991·Granted Oct 19, 1993·41 cites·32 claims
- 0280US5391380AThromboplastin extract, reagent, and preparation thereofHELENA LAB CORP·Filed 1993·Granted Feb 21, 1995·40 cites·17 claims
- 0364US5512304AMethod of preparing a thromboplastin extractHELENA LAB CORP·Filed 1995·Granted Apr 30, 1996·17 cites·12 claims
- 0420US5856777ASimulated vehicle alarmFiled 1996·Granted Jan 5, 1999·5 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Richard L. Rullman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →