Axel E. Elfner

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Facilitating the sending of mail from a restricted communications n...
- Patent number 9,065,790
- Issue date Jun 23, 2015
- International Business Machines Corporation
- Axel E. Elfner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facilitating the sending of mail from a restricted communications n...
- Patent number 8,583,739
- Issue date Nov 12, 2013
- International Business Machines Corporation
- Axel E. Elfner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FACILITATING THE SENDING OF MAIL FROM A RESTRICTED COMMUNICATIONS N...
- Publication number 20140047052
- Publication date Feb 13, 2014
- International Business Machines Corporation
- Axel E. Elfner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Facilitating the sending of mail from a restricted communications n...
- Publication number 20050198288
- Publication date Sep 8, 2005
- International Business Machines Corporation
- Axel E. Elfner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE