Road structure – process – or apparatus – Apparatus – With means for alternative ground support by tool or...
Reexamination Certificate
2009-07-21
2010-06-08
Addie, Raymond W (Department: 3671)
Road structure, process, or apparatus
Apparatus
With means for alternative ground support by tool or...
C404S025000, C404S083000, C404S084050, C414S462000
Reexamination Certificate
active
07731451
ABSTRACT:
A cover removal apparatus includes a frame, an electromagnet and a power source, which is electrically coupled to the electromagnet for selectively energizing the electromagnet. The removal apparatus may further include means for positioning the electromagnet relative to a cover and/or means for loosening the cover.
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Addie Raymond W
Fredrikson & Byron , P.A.
Rock Mills Enterprises, Inc.
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