Donald William Zwiefka

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Ludington, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for manufacturing cylindrical foam articles
- Patent number 9,862,134
- Issue date Jan 9, 2018
- Floracraft Corp.
- Trevor Wardle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
System and method for manufacturing cylindrical foam articles
- Patent number 8,714,952
- Issue date May 6, 2014
- Floracraft Corp.
- Trevor Wardle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
System And Method For Manufacturing Cylindrical Foam Articles
- Publication number 20150314510
- Publication date Nov 5, 2015
- FLORACRAFT CORP.
- Trevor WARDLE
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
System And Method For Manufacturing Cylindrical Foam Articles
- Publication number 20120313280
- Publication date Dec 13, 2012
- FLORACRAFT CORP.
- Trevor Wardle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL