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John Bull Rubber Co Ltd

John Bull
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3371381A Apparatus for manufacturing corrougated or convoluted hose Expired / Lapsed 1965-03-10 1968-03-05 0 Details
US2616129A Manufacture of corrugated or convolute hose and to means th… Expired / Lapsed 1949-03-01 1952-11-04 0 Details