Calvin Michael CHASTEEN

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator cab accessory control device
- Patent number 8,794,390
- Issue date Aug 5, 2014
- Calvin Michael Chasteen
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator cab accessory control device
- Patent number 8,662,257
- Issue date Mar 4, 2014
- Calvin Michael Chasteen
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR CAB ACCESSORY DEVICE
- Publication number 20120181116
- Publication date Jul 19, 2012
- Calvin Michael CHASTEEN
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR CAB ACCESSORY DEVICE
- Publication number 20120181117
- Publication date Jul 19, 2012
- Calvin Michael CHASTEEN
- B66 - HOISTING LIFTING HAULING