John Clapper

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Bedford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Grappling attachment for excavating machines and the like
- Patent number 6,843,005
- Issue date Jan 18, 2005
- Rockland, Inc.
- John Clapper
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Grappling arm assembly with latching means
- Publication number 20050188568
- Publication date Sep 1, 2005
- John W. Clapper
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Grappling attachment for excavating machines and the like
- Publication number 20040093770
- Publication date May 20, 2004
- John Clapper
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING