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Coal Industry Patents Ltd

Coal Indus

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
GB1528691A	Survey systems	Expired / Lapsed	1977-05-06	—	0	Details
GB1020865A	Improvements in anchor bolts	Expired / Lapsed	1961-06-15	—	0	Details
US4355895A	Survey systems	Expired / Lapsed	1981-02-09	1982-10-26	15	Details
US3786511A	Recording apparatus	Expired / Lapsed	1973-05-03	1974-01-15	8	Details
US2948469A	Apparatus for counting particles	Expired / Lapsed	1955-08-08	1960-08-09	0	Details