Inventor
LAWRENCE DAVID G
US41 patents
⚠️ This page may combine multiple inventors who share the name “LAWRENCE DAVID G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOVARIANT INC
19 patentsUS7271766B2Sep 18, 2007
Satellite and local system position determination
NOVARIANT INC52 citations95
US7586438B1Sep 8, 2009
Navigation with satellite communications
NOVARIANT INC31 citations92
US6880643B1Apr 19, 2005
System and method for land-leveling
NOVARIANT INC52 citations91
US6882314B2Apr 19, 2005
Carrier-based differential-position determination using multi-frequency pseudolites
NOVARIANT INC24 citations90
US7548804B2Jun 16, 2009
Emulation to provide multiple applications in mobile equipment
NOVARIANT INC20 citations88
US7535402B1May 19, 2009
Navigation with satellite communications
NOVARIANT INC13 citations84
US7333053B2Feb 19, 2008
Signal path system and method for a ranging signal receiver
NOVARIANT INC19 citations84
US7310064B2Dec 18, 2007
Rebroadcasting method and system for navigation signals
NOVARIANT INC18 citations84
US7683830B2Mar 23, 2010
Antenna combination technique for multi-frequency reception
NOVARIANT INC13 citations83
US7656352B2Feb 2, 2010
Troposphere corrections for ground based positioning systems
NOVARIANT INC15 citations83
US7511667B2Mar 31, 2009
Precise local positioning systems using ground-based transmitters
NOVARIANT INC13 citations83
US7385554B2Jun 10, 2008
Satellite and local system position determination
NOVARIANT INC11 citations83
US7023381B2Apr 4, 2006
Multi-frequency pseudolites for carrier-based differential-position determination
NOVARIANT INC8 citations71
US7760136B2Jul 20, 2010
Modular multi-frequency GNSS receiver
NOVARIANT INC2 citations63
US7653399B2Jan 26, 2010
Wide area differential satellite positioning with local area updates
NOVARIANT INC2 citations63
US7561967B2Jul 14, 2009
Navigation receiver with functional extensibility
NOVARIANT INC5 citations63
US7286084B2Oct 23, 2007
Multiple antenna multi-frequency measurement system
NOVARIANT INC3 citations63
US7468697B2Dec 23, 2008
Self-surveying wideband ground transmitters
NOVARIANT INC5 citations62
US7138944B2Nov 21, 2006
Multiple antenna multi-frequency measurement system
NOVARIANT INC4 citations62
SATELLES INC
7 patentsUS11445373B1Sep 13, 2022
Validation of position, navigation, time signals
SATELLES INC8 citations84
US11889312B2Jan 30, 2024
Validation of position, navigation, time signals
SATELLES INC0 citations61
US12335733B1Jun 17, 2025
Wireless signal validation using a one-way function and an initially unknown input
SATELLES INC0 citations60
US12563396B1Feb 24, 2026
Wireless signal validation using an independent wireless data link
SATELLES INC0 citations58
US12028714B1Jul 2, 2024
Wireless signal validation using an independent wireless data link
SATELLES INC1 citations58
US12267147B2Apr 1, 2025
Low cost, size, weight, and power (CSWAP) geolocation capability utilizing signal characteristics passed through to backhaul network
SATELLES INC0 citations45
US12032075B2Jul 9, 2024
Satellite-based source of positioning system-independent position navigation and time
SATELLES INC0 citations43
GUTT GREGORY M
3 patentsUS8570216B2Oct 29, 2013
Differential correction system enhancement leverages roving receivers enabled for a non-GPS, secondary PN and T signal to characterize local errors
GUTT GREGORY M21 citations91
US8977843B2Mar 10, 2015
Geolocating network nodes in attenuated environments for cyber and network security applications
GUTT GREGORY M10 citations84
US8769267B2Jul 1, 2014
Geothentication based on new network packet structure
GUTT GREGORY M4 citations72
WHELAN DAVID A
3 patentsBOEING CO
3 patentsUS9178894B2Nov 3, 2015
Secure routing based on the physical locations of routers
BOEING CO8 citations81
US9523763B2Dec 20, 2016
Satellite-based integer cycle ambiguity resolution of local medium wave radio signals
BOEING CO6 citations73
US10088312B2Oct 2, 2018
Geolocation using acquisition signals
BOEING CO4 citations72