Inventor
DAVID A. HEIN
Inventor
US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Cprimary
A47CChairs9%
A61BDiagnosis9%
B60NSeats specially adapted for vehicles9%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
G01RMeasuring electric variables9%
G01SRadio direction-finding9%
G10KSound-producing devices9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to LEAR CORP (4)· patent assignee history
2022–2024Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEAR CORP | 4 | 2022–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 4 | 2022–2024 |