Donald Schaefer

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Wantagh, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Software method for emulating a serial port between applications fo...
- Patent number 7,461,384
- Issue date Dec 2, 2008
- Symbol Technologies, Inc.
- Allan Herrod
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data reconciliation between a computer and a mobile data collection...
- Patent number 6,694,366
- Issue date Feb 17, 2004
- Symbol Technologies, Inc.
- Alex M. Gernert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Collecting data in a batch mode in a wireless communications networ...
- Patent number 6,675,203
- Issue date Jan 6, 2004
- Symbol Technologies, Inc.
- Alan Herrod
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic logical control of network units in ad-hoc communications n...
- Patent number 6,640,253
- Issue date Oct 28, 2003
- Symbol Technologies, Inc.
- Donald E. Schaefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Suspending Operation of a Mobile Unit
- Publication number 20090037756
- Publication date Feb 5, 2009
- David T. Lundquist
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for monitoring mobile units in a network
- Publication number 20060116146
- Publication date Jun 1, 2006
- Allan Herrod
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods that provide enhanced state machine power manag...
- Publication number 20050239518
- Publication date Oct 27, 2005
- Anthony D'Agostino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Software method for emulating a serial port between applications fo...
- Publication number 20030158974
- Publication date Aug 21, 2003
- Allan Herrod
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dynamic logical control of network units in ad-hoc communications n...
- Publication number 20030005160
- Publication date Jan 2, 2003
- Donald E. Schaefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE