Assignee

J R CLARKSON COMPANY

2 granted patents·62 citations·filing 1974–1975

Technology mixF16K2

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2 records

0183US3945604APackingless gate valve and actuator assembliesJ R CLARKSON COMPANY·Filed 1974·Granted Mar 23, 1976·38 cites·13 claims
0270US4007911APackingless gate valve and actuator assembliesJ R CLARKSON COMPANY·Filed 1975·Granted Feb 15, 1977·24 cites·12 claims

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