Robert D. Blaker

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Switch apparatus responsive to distortion
- Patent number 4,565,910
- Issue date Jan 21, 1986
- Bed-Check Corporation
- Jeff L. Musick
- G08 - SIGNALLING
Information Patent Grant
Switch apparatus responsive to pressure or distortion
- Patent number 4,484,043
- Issue date Nov 20, 1984
- Bed-Check Corporation
- Jeff L. Musick
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE