Donald H. Ballew

Follow

Person

Yakima, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of translaryngeal retrograde tracheal intubation
- Patent number 4,913,139
- Issue date Apr 3, 1990
- Donald H. Ballew
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medicament container with timer top
- Patent number 4,367,955
- Issue date Jan 11, 1983
- Donald H. Ballew
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE