Inventor

LOFGREN JOHN A

US5 patents

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

TERK TECHNOLOGIES CORP

2 patents

US5812066ASep 22, 1998

Antenna tuning control circuit

TERK TECHNOLOGIES CORP52 citations94

US6016108AJan 18, 2000

Antenna tuning control system

TERK TECHNOLOGIES CORP24 citations90

LS RES INC

2 patents

US5299264AMar 29, 1994

System for short-range transmission of signals over the air using a high frequency carrier

LS RES INC51 citations94

US5581617ADec 3, 1996

System for short-range transmission of signals over the air using a high frequency carrier

LS RES INC25 citations90

GILBARCO INC

1 patent

US9523597B2Dec 20, 2016

Fuel dispenser flow meter fraud detection and prevention

GILBARCO INC10 citations82