Peter C. Greenberg

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Somerville, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Overhead structures for wall system
- Patent number 6,158,179
- Issue date Dec 12, 2000
- Steelcase Development Inc.
- Anne C. Ackerly
- E04 - BUILDING
Information Patent Grant
Clear wall panel system
- Patent number 6,141,925
- Issue date Nov 7, 2000
- Steelcase Development Inc.
- Harold Halvorson
- E04 - BUILDING
Information Patent Grant
Furniture system (pathways-spaceframe)
- Patent number 5,899,025
- Issue date May 4, 1999
- Steelcase Inc.
- Daniel S. Casey
- E04 - BUILDING