Percy Greenberg

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Minnetonka, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Simulated patina for copper
- Patent number 8,007,866
- Issue date Aug 30, 2011
- BFS Diversified Products Company, LLC
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Grant
Simulated patina for copper
- Patent number 7,060,325
- Issue date Jun 13, 2006
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Grant
Simulated patina for copper
- Patent number 7,018,677
- Issue date Mar 28, 2006
- Crown-PN L.L.C.
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Grant
Architectural panel arching device
- Patent number 6,843,092
- Issue date Jan 18, 2005
- Crown-PN L.L.C.
- Percy Greenberg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
SIMULATED PATINA FOR COPPER
- Publication number 20090297792
- Publication date Dec 3, 2009
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Application
Simulated patina for copper
- Publication number 20060165899
- Publication date Jul 27, 2006
- Crown-PN L.L.C.
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Application
Simulated patina for copper
- Publication number 20050011750
- Publication date Jan 20, 2005
- Crown-PN L.L.C.
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Application
Simulated patina for copper
- Publication number 20050011751
- Publication date Jan 20, 2005
- Percy Greenberg
- B44 - DECORATIVE ARTS
Information Patent Application
Architectural panel arching device
- Publication number 20030136166
- Publication date Jul 24, 2003
- Crown-PN L.L.C.
- Percy Greenberg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...