Carl S. Ahlberg

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Blow molded box
- Patent number 5,125,511
- Issue date Jun 30, 1992
- Minnesota Mining and Manufacturing Company
- Davis W. Chamberlin
- G11 - INFORMATION STORAGE
Information Patent Grant
Hearing aid ear piece having disposable compressible polymeric foam...
- Patent number 4,880,076
- Issue date Nov 14, 1989
- Minnesota Mining and Manufacturing Company
- Carl S. Ahlberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storage container for diskettes
- Patent number 4,815,600
- Issue date Mar 28, 1989
- Minnesota Mining and Manufacturing Company
- Gerald J. Niles
- G11 - INFORMATION STORAGE
Information Patent Grant
Dispensing assembly with nozzle storage
- Patent number 4,728,007
- Issue date Mar 1, 1988
- Minnesota Mining and Manufacturing Company
- Bruce E. Samuelson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Reusable record tab for videotape cassette
- Patent number 4,665,456
- Issue date May 12, 1987
- Minnesota Mining and Manufacturing Company
- Carl S. Ahlberg
- G11 - INFORMATION STORAGE
Information Patent Grant
Dispenser for liner-wound tape
- Patent number 4,336,097
- Issue date Jun 22, 1982
- Minnesota Mining and Manufacturing Company
- Craig L. Van Kampen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL