Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Microstrip antenna system with multiple frequency elements

Microstrip antenna system with multiple frequency elements

US Patent 4933680 · Granted Jun 12, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Emergency lift and transport system2018
Emergency lift and transport system2018
Emergency lift and transport system2018
Emergency lift and transport chair2017
Pizza grill baker2016
Portable pizza oven2015
Portable baking oven2015
Pizza oven2015
Data access verification system1993
Plural frequency patch antenna assembly1991
Plural layer co-planar waveguide coupling system for feeding a patch radiator ar1991
Plural layer co-planar waveguide coupling system for feeding a patch radiator ar1991