Hungkun J. Chang

City:

Hoffman Estates, Illinois

Country:

United States

Published Applications:

Last publication date:

2007-11-01

Patent Grants:

Last grant date:

2009-03-31

Top Inventors for applications by Hungkun J. Chang

These are the the leading inventors for applications assigned to Hungkun J. Chang:

Hungkun James Chang 1 Hoffman Estates, IL United States

Recent patent applications by Hungkun J. Chang

Hungkun J. Chang based in Hoffman Estates, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2007-11-01 ✅ Patent 7,511,400 granted on 2009-03-31

US20070252463A1

Electricity

Dynamo system having a freely moving flywheel in circular track

AssigneeID:

414455 ⎘