Donald W. Lewallen

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Andover, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasound imaging device having a soft keyboard for entering data
- Patent number 6,491,630
- Issue date Dec 10, 2002
- Koninklijke Philips Electronics N.V.
- Grace M Saccardo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intuitive user interface and control circuitry including linear dis...
- Patent number 6,436,040
- Issue date Aug 20, 2002
- Koninklijke Philips Electronics N.V.
- Brian Collamore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE