Inventor

Joseph F. Hayes

Inventor

Birkdale, AU

Overview

1989–2019

Patent span

Electricity

Primary field (CPC H)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers29%

G10KSound-producing devices21%

H04LTransmission of digital information, e.g. telegraphic communication14%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%

B62DMotor vehicles7%

F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids7%

G10HElectrophonic musical instruments7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–2013Patents assigned to HAYES JOSEPH F (2)· patent assignee history

1998Based in Mayfield, KY, US· patent location history

2013–2016Based in Frenchs Forest, AU· patent location history

2014Based in West Bloomfield, MI, US· patent location history

2015–2019Patents assigned to ACOUSTIC 3D HOLDINGS LTD (3)· patent assignee history

2015–2017Patents assigned to HAYES JOSEPH FRANCIS (2)· patent assignee history

2015–2017Based in Birkdale, AU· patent location history

2016Patents assigned to ADVANCED MEDIA DESIGN INC (1)· patent assignee history

2016Patents assigned to AMHC INC (1)· patent assignee history

2019Based in Wyberba, AU· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations