Donald L. Melvin

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Maplewood, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonically welded hydrogel ophthalmic lens
- Patent number 5,135,592
- Issue date Aug 4, 1992
- Minnesota Mining and Manufacturing Company
- Donald L. Melvin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Respiratory mask having a rigid or semi-rigid, insert-molded filtra...
- Patent number 4,790,306
- Issue date Dec 13, 1988
- Minnesota Mining and Manufacturing Company
- David L. Braun
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HUMAN FLOATATION DEVICE CONFIGURED FOR RADIO FREQUENCY IDENTIFICATION
- Publication number 20080108261
- Publication date May 8, 2008
- 3M Innovative Properties Company
- Michael D. SWAN
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
USER INTERFACE FOR VEHICLE INSPECTION
- Publication number 20070266782
- Publication date Nov 22, 2007
- 3M Innovative Properties Company
- Sherman L. Bartz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VEHICLE INSPECTION USING RADIO FREQUENCY IDENTIFICATION (RFID)
- Publication number 20070229268
- Publication date Oct 4, 2007
- 3M Innovative Properties Company
- Michael D. Swan
- G08 - SIGNALLING
Information Patent Application
Desiccator system having modular elements
- Publication number 20030113937
- Publication date Jun 19, 2003
- 3M Innovative Properties Company
- Cary A. Kipke
- G01 - MEASURING TESTING