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General Gas Light Co

General Ga
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3015355A Method for forming spirally ribbed tubing Expired / Lapsed 1959-07-06 1962-01-02 0 Details
US2729266A Apparatus and method for making spirally corrugated metal t… Expired / Lapsed 1952-11-24 1956-01-03 0 Details