Assignee

LONG ENTERPRISES

US·2 granted patents·17 citations·filing 1975–1992

Technology mixB01F1 C02F1 G10L1 Y02W1

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2 records

0150US3965298ADeep sea diving speech converterLONG ENTERPRISES·Filed 1975·Granted Jun 22, 1976·10 cites·9 claims
0229US5248419ASewage sludge treatment with gas injectionLONG ENTERPRISES·Filed 1992·Granted Sep 28, 1993·7 cites·7 claims

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