In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7197831 | Closure system for a fill opening on a chalk line reel housing A chalk line reel having a housing and a closure assembly. The housing has a storage space for a supply of chalk and a spool around which a supply of flexible line can be wrapped. The housing further has a wall with a fill opening therethrough in communication with ... | 04/03/2007 |
| 6915918 | Removable sealing device A removable sealing device for a standard container having a neck, which allows the container to remain sealed while it is being properly positioned with respect to a receptacle and then to be remotely unsealed after it has been properly positioned with respect to t... | 07/12/2005 |
| 6343706 | Method and an arrangement for closing at least one end of a tube and a plug for said closing An arrangement and a plug separated from a strip for closing at least one end of a tube to protect the tube against internal dirtying. The plug formed for closing a tube end together with similarly formed plugs is integrally formed one after the other in ... | 02/05/2002 |
| 5976294 | Method of forming rolls of ribbons including peelable lid shapes with bent-back lift tabs A method of producing rolls of ribbons including printing indica at a plurality of locations on at least one of two webs; applying peelable adhesive at a plurality of locations on at least one of the two webs; bonding the two webs together using the adhes... | 11/02/1999 |
| 5851333 | Method of forming rolls of webs including perforated and peelable lid shapes A method of converting, on an in-line printing press, two webs of material into a roll including a web and a plurality of peelable lids thereon. Alternatively, a plurality of underlying lids can be formed from the other web of the roll, in registration wi... | 12/22/1998 |
| 5803126 | Protective closure A protective closure including: a closed-cell foam plastic plug of a first density, for resilience and flexibility in insertion into a water pipe for shipping and storage, and in removal therefrom for installation; and a cap of a second, higher density fo... | 09/08/1998 |
| 5776284 | Method of forming dual-layered labels and the resultant product A method of converting, on a single line printing press, two webs of material into individual rolls of ribbons of dual-layered, peelable-bonded-together lids. Each lid has a peelable, overlying lid formed from one of the webs and an underlying lid formed ... | 07/07/1998 |
| 5514339 | Stopper of analysis test tubes A test tube stopper (1) has the shape of a small bowl and is provided with a protruding upper circular collar (11). The stopper (1) slidably enters into and seals the neck of a test tube (3) until the collar (11) rests against the mouth of the test tube (... | 05/07/1996 |
| 5455662 | Developer replenishing device and developer container for use therewith A developer replenishing device for replenishing a developing device with a developer, and a developer container for use therewith. The developer container, or toner bottle, has a mouth portion at one end thereof which is smaller in diameter than a hollow... | 10/03/1995 |
| 5261990 | Method of making an elongate strip for the production of sealing members for containers A method of making an elongate strip for the production of a sealing member includes, as a first step, applying a plurality of strips of a first adhesive to one of a membrane and a first sheet, the membrane and the first sheet are then bonded together so ... | 11/16/1993 |
| 5125529 | Thermoplastic container opened by partially peeling back a multi-layered top which has been heat-sealed to its edge, and film for multi-layer tops The invention relates to a multi-layered thermoplastic container 1 opened by the partial peeling back of a multi-layer top 6 which has been heat-sealed onto the edge 3 of the container 1 including a peeling tab 7. The peeling tab 7 has a scalloped area cu... | 06/30/1992 |
| 4934544 | Z-tab innerseal for a container and method of application A z-tab innerseal for a container and method of application involves an innerseal having a first sealing portion for sealing a first portion of an opening defined by an upper rim of a container, a second sealing portion for sealing the remainder of the co... | 06/19/1990 |
| 4691836 | Apertured closure device with depressible disc portion A closure device for a receptacle is provided with a first generally annular member adapted to be fixed to the receptacle across the opening thereof. A second generally annular member is substantially coaxial with the first annular member and is adapted t... | 09/08/1987 |
| 4037776 | Circular lid A circular lid is produced from a blank, which consists of a main circular portion from which projects at least one detachable tab. The tab provides a rectilinear trailing edge on the blank, which is adapted for contact by spaced lugs of a conveyor, so th... | 07/26/1977 |