P

Inventor

WELK DOUGLAS LYNN

US4 patents
⚠️ This page may combine multiple inventors who share the name “WELK DOUGLAS LYNN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DELCO ELECTRONICS CORP

3 patents
US5964821AOct 12, 1999

Mapless GPS navigation system with sortable destinations and zone preference

DELCO ELECTRONICS CORP300 citations97
US5774828AJun 30, 1998

Mapless GPS navigation system with user modifiable data base

DELCO ELECTRONICS CORP177 citations96
US5828585AOct 27, 1998

Vehicle speed signal calibration

DELCO ELECTRONICS CORP148 citations93

DELCO ELECRONICS CORP

1 patent
US5887269AMar 23, 1999

Data product authorization control for GPS navigation system

DELCO ELECRONICS CORP325 citations95