Richard F. Wehrli

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Concrete panel trailer assembly with strut-mounted wheels
- Patent number 7,607,873
- Issue date Oct 27, 2009
- 21st Century Structures, LLC
- Richard F. Wehrli
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Precast concrete panel combination trailer and storage rack assembly
- Patent number 6,821,066
- Issue date Nov 23, 2004
- 21st Century Structures, LLC
- Richard F. Wehrli
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Vertically Orienting Precast Concrete Wall...
- Publication number 20110049076
- Publication date Mar 3, 2011
- Richard F. Wehrli
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Vacuum Saturation Technique for Porous Aggregate Material
- Publication number 20110048541
- Publication date Mar 3, 2011
- Richard F. Wehrli
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Embedded Height Adjustment Mechanism for Double-Wall Building Panels
- Publication number 20110047918
- Publication date Mar 3, 2011
- Richard F. Wehrli
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Movable Pallet and Method of Use
- Publication number 20110012288
- Publication date Jan 20, 2011
- Joseph Gallione
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Inorganic Composite Building Panel
- Publication number 20070261329
- Publication date Nov 15, 2007
- Jack Rigsby
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Concrete panel trailer assembly with strut-mounted wheels
- Publication number 20070224009
- Publication date Sep 27, 2007
- Richard F. Wehrli
- B60 - VEHICLES IN GENERAL
Information Patent Application
PRECAST CONCRETE PANEL COMBINATION TRAILER AND STORAGE RACK ASSEMBLY
- Publication number 20040213643
- Publication date Oct 28, 2004
- Richard F. Wehrli
- B60 - VEHICLES IN GENERAL