James M. Jack

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Georgetown, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for breaking up solidified material in a storage container
- Patent number 4,509,701
- Issue date Apr 9, 1985
- Northern Vibrator Manufacturing Limited
- James M. Jack
- B08 - CLEANING
Information Patent Grant
Method and apparatus for creating a path through particulate material
- Patent number 4,360,276
- Issue date Nov 23, 1982
- Northern Vibrator Manufacturing Ltd.
- James M. Jack
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL