Inventor
Jack P. Chang
Inventor
Boulder, CO, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography67%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1984Patents assigned to IBM (2)· patent assignee history
1981–1984Based in Boulder, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 2 | 1981–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 2 | 1981–1984 |