Finned sleeve for driven type survey monuments

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5148641
SERIAL NO

07718630

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Abstract

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A sleeve is provided for a driven-type survey monument having a penetrating point and cylindrical rod sections to stabilize the monument in the ground. The sleeve has an elongated body having a hollow bore, which receives a first portion of the survey monument, and a plurality of fins formed integrally with and extending outwardly from the elongated body of the sleeve.

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Patent Owner(s)

Patent OwnerAddress
BERNTSEN INTERNAITONAL INC A WI CORPMADISON WI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hohol, John D Madison, WI 1 34
Rushing, William C Madison, WI 9 138

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