Jack Greenfield

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Baldwin, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Theft prevention security device
- Patent number 7,475,575
- Issue date Jan 13, 2009
- Jack Greenfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Security system for a lap-top computer
- Patent number 5,709,110
- Issue date Jan 20, 1998
- Jack Greenfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Anti-theft device for computers and the like
- Patent number 5,076,079
- Issue date Dec 31, 1991
- David B. Monoson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES