Inventor · disambiguated record
Dale A. Steffen
Also filed as: STEFFEN DALE A
4 granted patents·450 citations·filing 1977–2006
80Inventor score
Top patents by PatentIndex Score
4 records- 0193US4145122AMethod and apparatus for monitoring the position of the eyeCOLORADO SEMINARY·Filed 1977·Granted Mar 20, 1979·162 cites·15 claims
- 0289US4270547AVital signs monitoring systemUNIVERSITY PATENTS INC·Filed 1978·Granted Jun 2, 1981·271 cites·37 claims
- 0371US7124942B2Low voltage signal stripping circuit for an RFID readerHID CORP·Filed 2003·Granted Oct 24, 2006·17 cites·36 claims
- 0449US7559477B2Low voltage signal stripping circuit for an RFID readerASSA ABLOY AB·Filed 2006·Granted Jul 14, 2009·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Dale A. Steffen 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 →