§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

LIBRARY BUREAU

LIBRARY BU
Active Patents
0
Total Holdings
2

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US1540140A Joint for cabinets and the like Expired / Lapsed 1922-07-29 1925-06-02 0 Details
US715807A Locking device for card-index systems. Expired / Lapsed 1901-11-07 1902-12-16 0 Details