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 |
| 7278213 | Hand tool stop pin A hand tool such as a folding knife that incorporates a blade stop pin that stops rotation of the blade in the open position is described. The stop pin defines a multifaceted face having plural surfaces, each having a radial distance from an axial centerline that is... | 10/09/2007 |
| 7197825 | Razors and shaving cartridges with guard A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned betwe... | 04/03/2007 |
| 7146894 | Automated microtome blade changer An automated rotary microtome blade changing apparatus, comprising an upper stage being adapted to releasably engage a supply cartridge and a waste cartridge, the upper stage having a loading segment adapted to engage and move blades contained within the supply cart... | 12/12/2006 |
| 6499595 | Container for shaving cartridge or other stored item Sealed package that includes a formed plastic container, a shaving cartridge (or other stored unit) in a storage region in the container, and a removable film that covers and is sealed to a sealing surface around an entrance to the storage region. Side wa... | 12/31/2002 |
| 6052903 | Dispensing razor blade cartridges used with a handle A cartridge dispenser for razor blade cartridges including latches that retain cartridges in predetermined positions permitting connection to a handle connecting structure on a handle as the handle is moved toward the cartridge, each latch having a latch ... | 04/25/2000 |
| 6041926 | Dispensing razor blade cartridges used with a handle A cartridge dispenser for razor blade cartridges including latches that retain cartridges in predetermined positions permitting connection to a handle connecting structure on a handle as the handle is moved toward the cartridge, each latch having a latch ... | 03/28/2000 |
| 6012463 | Shaving method and shaving kit This invention relates to a method for reducing folliculitis. A method is disclosed which delineates precise razor pulling techniques and methods of preparing a skin surface to be shaved. The razor pulling methods comprise consistent razor strokes. A kit ... | 01/11/2000 |
| 5946805 | Shaving system A shaving system comprising a razor handle for detachably mounting a blade unit, and a dispensing container housing a plurality of blade units side by side in a row between entry and exit ends of the container, the handle being arranged to be guided along... | 09/07/1999 |
| 5937522 | Blade replacement device with used blade storage Blade replacement devices for shaving systems which have at least one blade removably connected to a blade support. The blade replacement devices of the present invention advantageously comprise means for receiving a used blade as it is removed from a raz... | 08/17/1999 |
| 5867907 | Shaving systems A shaving system including a handle, a container and a plurality of blade cartridges accommodated in the container. The handle is selectively engageable and disengageable with said cartridges. A guide is provided to enable the handle to pass over a plural... | 02/09/1999 |
| 5848475 | Razor and blade The invention provides a razor having a retaining mechanism adapted to receive a blade longer than the mechanism for retaining the blade so that one or both wings of the blade extend past the retaining mechanism to provide a small straight razor. Addition... | 12/15/1998 |
| 5727320 | Utility knife with blade magazine A utility knife has a blade magazine removably mounted in a manually holdable housing and rotatable about an axis parallel to a longitudinal axis of the housing. The blade magazine has a series of radially and longitudinally extending circumferentially sp... | 03/17/1998 |
| 5649364 | Disposable multi-blade straight razor A straight razor has a handle portion and a disposable multi-blade assembly with at least two blades as the cutting edge on at least one of its sides. A molded guard portion at the bottom of the blade portion prevents the blades from cutting into the skin... | 07/22/1997 |
| 5636442 | Shaving systems with blade holder A shaving system comprises novel components of a razor handle (1), a razor blade cartridge (2), and a magazine (5) holding a supply of cartridges. The handle and magazine are adapted to cooperate so that a used cartridge on the handle is replaced by (i) i... | 06/10/1997 |
| 5604984 | Utility knife with rotary blade magazine A utility knife has a blade magazine removably mounted in a manually holdable housing and rotatable about an axis parallel to a longitudinal axis of the housing. The blade magazine has a series of radially and longitudinally extending circumferentially sp... | 02/25/1997 |
| 5240107 | Razor holder with shave counter A razor holder having an automatic shave counter responsive to each use of a razor. The razor holder includes a delay circuit to permit short term use of a razor without advancing the counter.... | 08/31/1993 |
| 5113586 | Dispenser cover for cartridge A cover for retaining a dispenser containing a plurality of safety razor blade cartridges to be employed with a razor of the type held with the fingers or the palm of the hand wherein the hand or finger gripping portion of the razor has a concave surface ... | 05/19/1992 |
| 4989328 | Dual headed razor assembly A razor assembly includes dual razor heads mounted on a single handle. One razor head is adapted to hold a conventional size blade. The other razor head is adapted to hold a much smaller blade for convenient shaving around one's nostrils and for trimming ... | 02/05/1991 |
| 4916814 | Wet-shave razor A wet shave turret razor assembly includes a razor head and single or double blades. The razor head is mounted at the front end of a handle. Several blades are uniformly mounted along the periphery of a blade holder. The blade holder is attached to the ra... | 04/17/1990 |
| 4831729 | Razor set A razor set comprises an L-shaped handle having one leg with slides for receiving a razor head, and the other leg to be grasped as a handle by the user. The other leg serves to support a razor head or a receptacle for a razor head to be detachably slidabl... | 05/23/1989 |
| 4761882 | Utility knife A retractable utility knife comprises a handle having a front portion and a rear portion, a blade carrier slideably mounted in a passageway in the front portion of the handle for positioning a blade in retracted-protected, exposed-cutting, or advanced att... | 08/09/1988 |
| 4742909 | Shaving cartridge retaining casings and storage tray therefor The present disclosure is directed to a plurality of individual protective safety razor head unit open top casings and a tray for storing the plurality of casings in side-by-side relationships. Each of the casings are adapted to retain a single safety raz... | 05/10/1988 |
| 4601101 | Razor system A razor system comprises a handle 10 to which a blade unit 15 can be connected by a releasable coupling, the razor handle being hollow and containing a dispenser in which a plurality of blade units are stored for attachment in turn to the handle when the ... | 07/22/1986 |
| 4476631 | Cutting means magazine for a sterile docking apparatus There is disclosed a cutting means magazine for a sterile docking device for forming a connection between two thermoplastic tubes comprising a casing, a stack of disposable cutting means therein, and spring means urging the stack against a wall of the cas... | 10/16/1984 |
| 4454653 | Barber-type razor A barber-type razor of the class adapted to receive a new blade from a cooperating blade ejector device including a novel blade guide latch and used blade ejector device.... | 06/19/1984 |
| 4180162 | Combination dispenser-disposal cartridge for a surgical blade A cartridge for dispensing and disposing of a single surgical blade. The cartridge is specially adapted for machine loading of the blade. The cartridge includes an elongate open-top box with means for receiving and positioning the blade in a curved positi... | 12/25/1979 |
| 4173285 | Dispenser for bonded razor blade cartridges A dispenser having a plurality of row-arrayed compartments each for releasably retaining a razor blade cartridge therewithin. The opposite ends of the compartments are respectively formed by a partition wall and yieldable, free-standing retention means po... | 11/06/1979 |
| 4106620 | Surgical blade dispenser A surgical blade dispenser includes a box for storing blades in such position that a scalpel handle can be inserted through an aperture in one wall of the box to lockingly engage one blade and remove it from the box through the aperture. The blades are in... | 08/15/1978 |
| 4047295 | Shaving unit dispenser container A dispenser for shaving units having blade and guard means permanently associated therewith, the dispenser including storage means for accommodating a plurality of the shaving units, locating means engageable by a razor handle with which the units are to ... | 09/13/1977 |
| 4043035 | Shaving unit dispenser A shaving unit dispenser including means for locating a razor handle in a loading position in which a shaving unit can be transferred from a storage position in the dispenser to a position of operative engagement with the handle, and latch means which pre... | 08/23/1977 |
| 4034892 | Dispenser for razor blade cartridges A dispenser for razor blade cartridges of the character in which one or more blades are permanently secured in a plastic body which has a slidable interlocking connection with a razor head longitudinally of the carriage parallel to the blade cutting edges... | 07/12/1977 |
| 4000832 | Dispensing containers A dispensing container for shaving units, the shaving units being adapted for engagement with a razor handle, the container comprising a storage compartment for retaining a plurality of the shaving units, a wall structure for receiving and releasably reta... | 01/04/1977 |
| 3970194 | Razor blade cartridge and display article A display article for razor blade cartridges of the type adapted to be releasably mounted on a razor handle, the article including a supporting card with a plurality of the cartridges mounted on the front of the card each under a plastic blister, the card... | 07/20/1976 |
| 3941244 | Magazine for razor blade cartridges A magazine for razor blade cartridges in which the cartridges embody a plurality of blades permanently secured in a plastic body, the magazine including a main housing into which is insertable a spring clip preloaded with a stack of the cartridges, the ho... | 03/02/1976 |