Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7325836 | Combined clamp and retaining pin A retainer including a pin adapted for attachment to a mounting member for supporting a stack of sheets having one or more openings; the pin having a shank portion for insertion into the one opening, an outer end portion defining a pair of parallel bores with transv... | 02/05/2008 |
| 7303074 | Foldable organizer device A foldable device for carrying and displaying at least one flat article is disclosed, including a foldable unitary member adapted for movement between an open and a closed position. The unitary member includes an inside surface, an outside surface, and top, bottom, ... | 12/04/2007 |
| 7240887 | Book holder A book holder for supporting and protecting an article of reading material is provided. The book holder includes a spine, a pair of cover panels, each of the cover panels is hingidly to the spine permitting the pair of cover panels to be rotated into an open positio... | 07/10/2007 |
| 7160046 | Fastening system A fastening system comprising a stud (10) and a sheet of cover material (16); the stud (10) being formed with a groove (14), and the sheet of cover material (16) being formed with a hole (18 | 01/09/2007 |
| 7121587 | Wearable book A wearable book. A wearable book, comprising a plurality of pages and a loop adapted for encircling a body portion for attaching said pages to the body, is provided. The pages are preferably bound together at one edge and preferably are of substantially the same siz... | 10/17/2006 |
| 7052045 | Labeling device for bound materials The present invention relates to an apparatus for labeling the spine or edge of a binder. In an embodiment, the device comprises a housing, a clip attached to the housing and a label encased within the housing. The housing further comprises a base portion and a cove... | 05/30/2006 |
| 6994377 | Sheet binding system The invention relates to a sheet-retaining system for securing sheets on a sheet carrier, in particular for securing paper sheets in a cover, having a retaining and connecting device for securing at least one sheet at the sheet edge and for connecting the at least o... | 02/07/2006 |
| 6994215 | Sleeve retainer clip for a compact disc binder A inverted U-shaped retainer clip is provided for securing sleeves to a binder for storing and protecting disc type objects. One embodiment of the retainer clip includes a body portion as well as downwardly extending legs on each end. Each leg terminates in a coupli... | 02/07/2006 |
| 6547283 | Mounting system for a portfolio A system for mounting a component to a portfolio including a tongue located on the component, the tongue having a tail portion and a tip portion, and a portfolio having a tongue opening formed therein. The top can be inserted into the tongue opening and c... | 04/15/2003 |
| 5967689 | Binder file A binder for storage of sheet materials, particularly large sheet materials, such as maps, blueprints and the like, in a flat configuration. An elongated frame element, which supports the sheet materials along a marginal edge in a hanging orientation, is ... | 10/19/1999 |
| 4974877 | Cover binder system The invention is a cover binder including a one piece cover, a one piece plastic strip adapted to pierce the spine of a book and a means for engaging the strip to the cover, and a method and an apparatus for binding books in the cover binder as by providi... | 12/04/1990 |
| 4773786 | Board for writing with pen producing erasable marking, the board having a header in the upper part, hooked to the board by means of a special attachment A board for writing by means of a pen producing erasable marking comprises a header (2) fixed to it by means of a hooking device which permits the header to be removed from the board and hooked again an infinite number of times without damaging any part o... | 09/27/1988 |
