Philip G. Greenspun

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Melrose, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated civil engineering and earthmoving system
- Patent number 5,964,298
- Issue date Oct 12, 1999
- GigaNet, Inc.
- Philip Greenspun
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for automatic recording of marker during infor...
- Patent number 5,172,363
- Issue date Dec 15, 1992
- Philip Greenspun
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for position detection
- Patent number 5,150,310
- Issue date Sep 22, 1992
- Consolve, Inc.
- Philip G. Greenspun
- G01 - MEASURING TESTING