Apparatus for use in drilling, namely, earth auger alignment systems consisting of a microprocessor, inclination measurement sensors, and a band of LED lights for displaying alignment status, specifically for use in small above-ground earth boring, excluding oil and gas well drilling

'above-ground':33 'align':9,26 'apparatus':1 'auger':8 'band':20 'bore':37 'consist':11 'display':25 'drill':5,43 'earth':7,36 'exclud':38 'gas':41 'ground':35 'inclin':15 'led':22 'light':23 'measur':16 'microprocessor':14 'name':6 'oil':39 'sensor':17 'small':32 'specif':28 'status':27 'system':10 'use':3,30 'well':42

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