Inventor · disambiguated record
Donald W. Lewallen
Also filed as: LEWALLEN DONALD W
2 granted patents·129 citations·filing 2000–2000
69Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV2
Top patents by PatentIndex Score
2 records- 0183US6491630B1Ultrasound imaging device having a soft keyboard for entering dataKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 10, 2002·70 cites·32 claims
- 0267US6436040B1Intuitive user interface and control circuitry including linear distance measurement and user localization in a portable ultrasound diagnostic deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Aug 20, 2002·59 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Donald W. Lewallen 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 →