Inventor · Pleasant Prairie, WI, US

Robert True

9Patents
4h-index
28Co-inventors
53Inventor score

Filing activity: Aug 25, 1999 → Jan 15, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7050593B1 Vehicular audio system and electromagnetic transducer assembly for use therein Electricity 23 Expired
US7853025B2 Vehicular audio system including a headliner speaker, electromagnetic transducer assembly for use therein and computer system programmed with a graphic software control for changing the audio system's signal level and delay Electricity 9 Active
USD591268S1 Loudspeaker unit General 7 Expired
US7536019B2 Audio system for use with a vehicle Electricity 6 Active
US8897472B2 Acoustic transducer comprising a plurality of coaxially arranged diaphragms Electricity 4 Active
US7272238B2 Loudspeaker having cooling system Electricity 4 Expired
US9462388B2 Acoustic transducer comprising a plurality of coaxially arranged diaphragms Electricity 3 Active
US9967673B2 Acoustic transducer comprising a plurality of coaxially arranged diaphragms Electricity 0 Active
US10553089B2 Building security and automation system speaker and method Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.