Boots – shoes – and leggings
Patent
1989-11-08
1990-07-24
Lall, Parshotam S.
Boots, shoes, and leggings
364552, 364550, 374 45, 374 53, 73803, 73573, G01N 326
Patent
active
049439308
ABSTRACT:
The method and apparatus for the non-destructive evaluation of a concrete mass uses the maturity method for evaluating the strength and durability of the concrete mass. The apparatus employs sensors which are implanted in the concrete along with a microprocessor and non-volatile RAM or EEPROM. A microcomputer is used periodically to up load the RAM and to make an evaluation of the concrete mass.
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patent: 4715726 (1987-12-01), Tsuruta
Lall Parshotam S.
Mattson Brian M.
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