Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6951301 | Combination closure and tear tape, packaging materials containing it, and method of using it to seal and later open packages A combination closure tape and tear strip, an object comprising the combination closure tape and tear strip, and a method of sealing and later opening said object utilizing the combination closure tape and tear strip are disclosed. ... | 10/04/2005 |
| 6588653 | Envelope pull opener An envelope pull opener includes a pair of pull tabs and a tearing filament. A single pull tab is attached to each end of the tearing filament. A peel-off adhesive surface is applied to one side of the pull tab. Preferably, the other side of the pull tab ... | 07/08/2003 |
| 6457638 | Envelope pull opener An envelope pull opener includes a pair of pull tabs and a tearing filament. A single pull tab is attached to each end of the tearing filament. A peel-off adhesive surface is applied to one side of the pull tab. Preferably, the other side of the pull tab ... | 10/01/2002 |
| 5984170 | Tear string envelope A tear string envelope with the envelope made of an integral blank of sheet material and formed such that the front and rear portion of the envelope is interconnected by side flaps folded inwardly so that side edges and a lower and an upper folding edge a... | 11/16/1999 |
| 5752652 | Envelope, an envelope blank, and a method of forming an envelope blank An envelope blank, die cut from a sheet of flat paper stock, has a quadrilateral panel, a sealing flap, side flaps and a closure flap, with one of the side flaps having a slot formed therein to define a surmounting tab. A length of string is adhered to a ... | 05/19/1998 |
| 4795035 | Tear strip opening device A device for opening an envelope which comprises a thread adhesively attached to the inside surface of the envelope, and non-tearable strips disposed on opposite sides of the thread and adhesively attached to the outside surface of the envelope, the threa... | 01/03/1989 |
