Static structures (e.g. – buildings) – Land marker or monument
Patent
1986-12-08
1988-04-19
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Land marker or monument
52153, 52163, 135118, E04H 1300
Patent
active
047380608
ABSTRACT:
A marker assembly for permanently locating underground utility elements with a non-removable plastic stake and a tamper-proof marker held in place by the stake.
REFERENCES:
patent: 429650 (1890-06-01), Scott
patent: 2038962 (1936-04-01), Schulthess
patent: 3688454 (1972-09-01), Wolfcarius
patent: 4185424 (1980-01-01), Streit
Marthaler Gregory A.
Marthaler Robert H.
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