Individual holder
ZENNER WALTER J
3 granted patents·35 citations·filing 1976–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0172US4023180ADot printer with electrically propelled inkZENNER WALTER J·Filed 1976·Granted May 10, 1977·18 cites·10 claims
- 0250US4539905ADot matrix line printer and print element driver assembly thereforZENNER WALTER J·Filed 1983·Granted Sep 10, 1985·9 cites·21 claims
- 0350US4248147AControl system for dot matrix line printer using one print element per characterZENNER WALTER J·Filed 1979·Granted Feb 3, 1981·8 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →