← Back to Companies

Hale and Kilburn Co

Hale and K
Active Patents
0
Total Holdings
3

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US1183586A Composite door construction. Expired / Lapsed 1914-12-21 1916-05-16 0 Details
US1156898A Process of making sheet-metal doors, partitions and the lik… Expired / Lapsed 1912-12-16 1915-10-19 0 Details
US1091770A Car construction. Expired / Lapsed 1912-03-09 1914-03-31 0 Details