Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7207740 | Stacked paper fastener A paper fastener has a base piece with a pair of prongs which may be passed through a pair of keyed slots in a top piece and latched to the top piece to hold stacked papers together. Two latching covers hingedly extend from ends of the top piece. The prongs are fold... | 04/24/2007 |
| 6155737 | Bolt action ring binder A binder ring mechanism (16) has a plurality of binder rings (18a-18c) for holding sheets of paper. Each binder ring includes a fixed section (20) and a movable section (22). All of the movable binder ring sections are commonly mounted on a bolt (36). A l... | 12/05/2000 |
| 5906449 | Binder locking clip A binder locking clip (100) used with a binder metal (10) having a locking member (50) with a slot (62) formed therein. The clip has a first leg (102) and a second leg (104). The legs are spaced apart from each other and one of the legs has a detent (106)... | 05/25/1999 |
| 5330280 | Filing apparatus of both-side opening/closing type The invention relates to a filing apparatus of the both-side opening and closing type in which a pair of right and left opening/closing members (52) coupled to the right and left side edges of an attaching member (41) can be opened and closed from any one... | 07/19/1994 |
| 4693625 | Binder assemblies A binder assembly which is openable in the opposite direction, wherein it includes a turnable member having binding rods and a turnable member having binding pipes adapted to receive said binding rods, said turnable members being separately and detachably... | 09/15/1987 |
