David C. Cummings

Follow

Person

Charlotte, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Grappling assembly for excavating machines
- Patent number 6,857,843
- Issue date Feb 22, 2005
- Rockland, Inc.
- David C. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Attachment for earth-moving machines
- Patent number 6,354,790
- Issue date Mar 12, 2002
- Rockland, Inc.
- David C. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tiltable implement for excavator machines and the like
- Patent number 6,269,561
- Issue date Aug 7, 2001
- Rockland Inc.
- David C. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Attachment for groundworking and material handling machines and a s...
- Patent number 6,120,237
- Issue date Sep 19, 2000
- Rockland Inc.
- David C. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Grappling assembly for excavating machines and the like
- Publication number 20050264018
- Publication date Dec 1, 2005
- David C. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Grappling assembly for excavating machines
- Publication number 20040228718
- Publication date Nov 18, 2004
- David C. Cummings
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING