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Amperex Electronic Corp
Amperex El
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3838212A
Graphical data device
Expired / Lapsed
1969-07-11
1974-09-24
15
Details
US3821469A
Graphical data device
Expired / Lapsed
1972-05-15
1974-06-28
4
Details