Dean Duffield

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Camden, AU

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Patents Grantslast 30 patents

Information Patent Grant
Method of making aerosol valve mounting cups and resultant cups
- Patent number 8,118,197
- Issue date Feb 21, 2012
- Precision Valve Corporation
- Dean Duffield
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mounting cup for an aerosol container
- Patent number 6,010,040
- Issue date Jan 4, 2000
- Precision Valve Corporation
- Dean Walter Duffield
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MAKING AEROSOL VALVE MOUNTING CUPS AND RESULTANT CUPS
- Publication number 20090158580
- Publication date Jun 25, 2009
- PRECISION VALVE CORPORATION
- Dean W. DUFFIELD
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method of making aerosol valve mounting cups and resultant cups
- Publication number 20080308582
- Publication date Dec 18, 2008
- Precision Valve Corporation
- Dean Duffield
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...