Jack E. Dunbar

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Anti-suffocation means for aircraft breathing mask
- Patent number 4,064,875
- Issue date Dec 27, 1977
- The Bendix Corporation
- Robert L. Cramer
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Adjustable check valve for use in an oxygen regulator
- Patent number 4,018,243
- Issue date Apr 19, 1977
- The Bendix Corporation
- Jack E. Dunbar
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Rotary valve for an oxygen generator
- Patent number 3,948,286
- Issue date Apr 6, 1976
- The Bendix Corporation
- Jack E. Dunbar
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE