|
GB212586A
|
|
Improvements in or relating to filing and reference devices
|
|
US1529212A
|
|
Index
|
|
US1483834A
|
|
File
|
|
US1458112A
|
|
Filing equipment
|
|
US1456677A
|
|
Filing equipment
|
|
US1433848A
|
|
Filing equipment
|
|
US1433847A
|
|
Filing and indexing equipment
|
|
US1387310A
|
|
Filing and indexing equipment
|
|
US1450751A
|
|
Adjustable index
|
|
US1352506A
|
|
Filing and indexing equipment
|
|
US1352507A
|
|
Filing and indexing equipment
|
|
US1510160A
|
|
Filing and indexing equipment
|
|
US1385148A
|
|
Filing and indexing equipment
|
|
US1482905A
|
|
Filing and indexing equipment
|
|
US1413778A
|
|
File or index equipment
|
|
US1518105A
|
|
Filing and indexing equipment
|
|
US1373760A
|
|
Perforating-machine
|
|
US1284925A
|
|
Ribbon-printing device.
|
|
US1254537A
|
|
Costmeter equipment.
|
|
US1251101A
|
|
Cutter.
|
