Michael A. Otterby

Follow

Person

South Sioux City, NE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic spool lock and method of use
- Patent number 6,926,034
- Issue date Aug 9, 2005
- Prince Manufacturing Corporation
- Michael A. Otterby
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING