|
US2299008A
|
|
Extension device
|
|
US2275251A
|
|
Parallel straightedge device
|
|
US2234467A
|
|
Draftsman's mobile straightedge
|
|
US2256241A
|
|
Parallel straightedge device
|
|
US2238581A
|
|
T-square
|
|
US2183214A
|
|
Means for drawing parallel lines
|
|
US2194889A
|
|
Drafting means
|
|
US2146288A
|
|
Pencil pointer or the like
|
|
US2185763A
|
|
Large size vertical filing means
|
|
US2160130A
|
|
Drafting machine
|
|
US2091809A
|
|
Container
|
|
US2098655A
|
|
Work equipment
|
|
US1890216A
|
|
Shallow drawer container for sheets
|
|
US1749376A
|
|
Means for filing and handling large sheets
|
|
US1764611A
|
|
Curtain support
|
|
US1924109A
|
|
Container for relatively large sheets
|
|
US1757705A
|
|
Binder for down-hanging sheets
|
|
US1764610A
|
|
Container for sheets
|
|
US1753366A
|
|
Binder for down-hanging sheets
|
|
US1409363A
|
|
Dispensing device for sheet material in rolls
|
