1 Construction Equipment Operators in Palo Alto, CA Directory

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Xinsheng Guo Palo Alto, CA

Pile Driver Operator • Construction Equipment Operator

United States Patent	Inventor	Appl. No.	Assignee
#2013020 Aug 8, 2013 Filed: Apr 7, 2011	David Wei Guo (Unionville, CT) Xi Jiang (Unionville, CT) Xinsheng Guo (Palo Alto, CA)	13/640680
International Classification:	E02D 7/10	U.S. Classification:	405232

United States Patent

Inventor

Appl. No.

Assignee

#2013020 Aug 8, 2013

Filed: Apr 7, 2011

David Wei Guo (Unionville, CT)
Xi Jiang (Unionville, CT)
Xinsheng Guo (Palo Alto, CA)

13/640680

International Classification:

E02D 7/10

U.S. Classification:

405232

Patent:

PILE DRIVER WITH AIR PRESSURE BUFFER

Abstract:

A pile driver with an air pressure buffer comprises a pile following moving part, a rebound part,...

Construction Equipment Operators around Palo Alto, CA

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