John H. Broadhurst

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Golden Valley, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Constant or variable brightness flashlight
- Patent number 6,316,880
- Issue date Nov 13, 2001
- John H. Broadhurst
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Endotracheal tube and mass spectrometer
- Patent number 5,043,576
- Issue date Aug 27, 1991
- John H. Broadhurst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Endotracheal tube and mass spectrometer
- Patent number 4,966,141
- Issue date Oct 30, 1990
- Marvin B. Bacaner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Linear particle accelerator with seal structure between electrodes...
- Patent number 4,879,518
- Issue date Nov 7, 1989
- Sysmed, Inc.
- John H. Broadhurst
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Resistor holder
- Patent number 4,862,135
- Issue date Aug 29, 1989
- Sysmed, Inc.
- John H. Broadhurst
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Novel endotracheal tube and mass spectrometer
- Patent number 4,850,371
- Issue date Jul 25, 1989
- John H. Broadhurst
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electronic x-ray recording
- Patent number 4,558,223
- Issue date Dec 10, 1985
- Sysmed, Inc.
- John H. Broadhurst
- H01 - BASIC ELECTRIC ELEMENTS