Inventor
SPIEGEL ARMIN
CH4 patents
⚠️ This page may combine multiple inventors who share the name “SPIEGEL ARMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HILTI AG
3 patentsUS7456936B2Nov 25, 2008
Electro-optical hand-held distance measuring instrument
HILTI AG11 citations83
US6820343B2Nov 23, 2004
Device of and method for visual fixation of signal markers on surveying surfaces
HILTI AG15 citations82
US6421360B1Jul 16, 2002
Rotational constructional laser
HILTI AG16 citations82