Individual holder
HANSON VIOLET M
4 granted patents·142 citations·filing 1975–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0190US3988970AApparatus for forming flat bottom plastic bagsHANSON VIOLET M·Filed 1975·Granted Nov 2, 1976·42 cites·20 claims
- 0288US3970241AFlat bottom bagHANSON VIOLET M·Filed 1975·Granted Jul 20, 1976·65 cites·9 claims
- 0363US4230030AMachine and method for manufacturing square or flat bottom bags having movable positions or stations including the use of a mandrelHANSON VIOLET M·Filed 1978·Granted Oct 28, 1980·18 cites·44 claims
- 0462US4892511AMethod and apparatus for the automatic manufacture of flat bottom bagsHANSON VIOLET M·Filed 1984·Granted Jan 9, 1990·17 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →