Thomas M. Duff JR.

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Nashua, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Power and telecommunications access vending machine
- Patent number 6,721,400
- Issue date Apr 13, 2004
- PowerOasis, Inc.
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power and telecommunications access vending machine
- Patent number 6,466,658
- Issue date Oct 15, 2002
- PowerOasis, Inc.
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power and telecommunications access vending machine
- Patent number 6,314,169
- Issue date Nov 6, 2001
- PowerOasis, Inc.
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power and telecommunications access vending machine
- Patent number 5,812,643
- Issue date Sep 22, 1998
- PowerTel, Inc.
- Charles C. Schelberg
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Power and telecommunications access vending machine
- Publication number 20060182240
- Publication date Aug 17, 2006
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System providing direct internet access in public or semi-public pl...
- Publication number 20060182241
- Publication date Aug 17, 2006
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Power and telecommunications access vending machine
- Publication number 20040190694
- Publication date Sep 30, 2004
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Power and telecommunications access vending machine
- Publication number 20030091168
- Publication date May 15, 2003
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Power and telecommunications access vending machine
- Publication number 20020064258
- Publication date May 30, 2002
- Charles C. Schelberg
- G06 - COMPUTING CALCULATING COUNTING