75742501
Jul 2, 1999
Sep 23, 2003
ELECTRONIC MEASURING AND SURVEYING TOOLS IN THE NATURE OF AN ELECTRONIC LEVEL, PLUMB BOB OR CARPENTER SQUARE, WHICH INCORPORATES LASERS AND MICROPROCESSORS THAT PROVIDE REFERENCE LINES OR MARKS AND THAT PERFORM VARIOUS MEASUREMENTS AND MATHEMATICAL FUNCTIONS AND/OR CALCULATIONS FOR USE IN SURVEYING
Electrical and Scientific Apparatus