Inventor
GREENBAUM LOUIS A
US3 patents
⚠️ This page may combine multiple inventors who share the name “GREENBAUM LOUIS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PINTERRA CORP
2 patentsUS5689270ANov 18, 1997
Navigation and positioning system and method using uncoordinated becon signals
PINTERRA CORP180 citations95
US5774829AJun 30, 1998
Navigation and positioning system and method using uncoordinated beacon signals in conjunction with an absolute positioning system
PINTERRA CORP449 citations93