Michael J. Johnstone

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Madison, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Button cell battery pack with air access channel
- Patent number 6,938,775
- Issue date Sep 6, 2005
- Rovcal, Inc.
- Robert C. Gaffney
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Merchandise package
- Publication number 20060065570
- Publication date Mar 30, 2006
- Sean A. Martin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Button cell battery pack with air access channel
- Publication number 20040011698
- Publication date Jan 22, 2004
- Robert C. Gaffney
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL