David Michael Lilenfeld

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Atlanta, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Booklight with adjustable light-radiating sources
- Patent number 8,297,774
- Issue date Oct 30, 2012
- David Michael Lilenfeld
- F21 - LIGHTING
Information Patent Grant
Ergonomic stylus storable in the pen slot of a personal digital ass...
- Patent number 6,819,557
- Issue date Nov 16, 2004
- David Michael Lilenfeld
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for convenient and comfortable cursor control device
- Patent number 6,744,421
- Issue date Jun 1, 2004
- David M. Lilenfeld
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cursor control device for convenient and ergonomic hand-held or wor...
- Patent number 6,680,728
- Issue date Jan 20, 2004
- David Michael Lilenfeld
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Booklight with adjustable light-radiating sources
- Publication number 20070097666
- Publication date May 3, 2007
- David Michael Lilenfeld
- F21 - LIGHTING
Information Patent Application
Ergonomic stylus for personal digital assistants
- Publication number 20040145866
- Publication date Jul 29, 2004
- David Michael Lilenfeld
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ergonomic stylus storable in the pen slot of a personal digital ass...
- Publication number 20040145579
- Publication date Jul 29, 2004
- David Michael Lilenfeld
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus for convenient and comfortable cursor control device
- Publication number 20030142077
- Publication date Jul 31, 2003
- David M. Lilenfeld
- G06 - COMPUTING CALCULATING COUNTING