...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 4738558 | Writting tool A ballpoint pen which does not require use of a separate cap member is constituted in the form of a linkage of four levers which form a holder. At least one of the four levers is formed to be hollow so as to receive a writing element therein; and the fron... | 04/19/1988 |
| 4702633 | Multicolor writing implement A multicolor writing instrument consists of two individual writing implements which respectively contain a ball point pen refill. The implements are identical in construction with each having an elongated grip portion and a shoulder extending laterally fr... | 10/27/1987 |
| 4685820 | Applicator device An improved applicator device is disclosed for applying an applicator material such as a liquid or a flowable solid to a surface. The device comprises a material container and a surface applicator for applying the applicator material to the surface. A val... | 08/11/1987 |
| 4681471 | Kit comprising multicolored fluid dispenser markers together with eradicating fluid dispenser, stamps and stamp pad A kit which comprises a plurality of multicolor water-based fluid dispensers together with an eradicating fluid dispenser wherein the coloring fluid dispensers may be utilized to create brilliant colored markings; and the eradicating fluid dispenser may b... | 07/21/1987 |
| 4637089 | Device for cleaning light waveguide plug connector parts A rod-shaped member comprises a respective cleaning wick projecting from the member at each of its two ends, the cleaning wicks extending out of a pin-shaped member end at the one end and being guided in a hollow-cylindrically shaped member end at the oth... | 01/20/1987 |
| 4635309 | Multiple use hand tool A multiple use hand tool comprises an elongated housing defining a handle having a longitudinal through bore in which is slideably mounted a tool holding member for holding a utility knife blade at one end and a marking crayon at the other end for selecti... | 01/13/1987 |
| 4600327 | Writing pen with correction fluid reservoir A writing instrument has an ink applicator at one end and a hollow cylindrical reservoir at the opposed end containing a correction fluid. A first cap member is removably received on the instrument to cover the ink applicator when not in use and a second ... | 07/15/1986 |
| 4560297 | Writing implement A writing implement has a carrier for guiding a pencil lead forward and/or backward at both ends of a pencil barrel wherein the movement of the carrier is produced by rotating a cap to which a cap holder and a supporting member are integrally connected an... | 12/24/1985 |
| 4557618 | Ink and eraser of the ink Colored ink comprising a developer having a phenolic hydroxyl group, an electron-donating colorless dye which develops a color by the action of the developer, and a solvent which does not inhibit a color developing reaction. Handwriting written in this co... | 12/10/1985 |
| 4549827 | Writing implement with two retractable cartridges In a writing implement with two cartridges (12,22) the housing is divided in two parts connected together by a pivot. The cartridges are pressed by spring force against cams (14a,24a) which are arranged on the other housing. The cams have such a profile t... | 10/29/1985 |
| 4515492 | Writing implement and kit A writing kit which includes a writing implement having an elongated barrel with collets at each end and a push rod extending therebetween wherein each collet is of a different size and has an internal conical surface for cooperatively engaging and grippi... | 05/07/1985 |
| 4509875 | Felt pen having two end caps A felt pen comprises a bar shaped main body defined with linear line and taper line, and transparent caps for writing tips at the both ends of the main body. Each of the caps stands with the main body thereon and may be mounted on the other cap.... | 04/09/1985 |
| 4422545 | Cosmetic displayer and dispenser There is disclosed herein a cosmetic displayer and dispenser, especially for use with lipsticks, having a holder assembly, said assembly being movable up and down, a top or cover and a transparent base able to be filled with cosmetic.... | 12/27/1983 |
| 4352579 | Writing implement A writing implement is provided having a body comprised of a pencil end-segment and a pen end-segment. Slideably mounted within the pencil end-segment is a carriage member having a tubular holder for receiving the inner end of a length of lead. The carria... | 10/05/1982 |
| 4349639 | Method of making and the composition for an initially erasable ink for a ball point writing instrument A method for making and the composition for an initially erasable ink for a ball point writing instrument which ink is characterized by its initial erasability by ordinary pencil erasers when applied by a ball point writing instrument to an absorbent pape... | 09/14/1982 |
| 4329264 | Ballpoint writing instrument containing an initially erasable ink A ballpoint writing instrument containing a supply of ink capable of producing an intense colored line when deposited on a writing paper surface that is capable of erasure within several hours after deposit by the use of a conventional pencil eraser witho... | 05/11/1982 |
| 4227930 | Ball point pen, ink, and its eradicator system Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink... | 10/14/1980 |
| 4228028 | Ball point pen, ink, and its eradicator system Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink... | 10/14/1980 |
| 4221490 | Two ended retractable writing instrument A writing instrument includes a cam member and first and second cam follower members arranged to simultaneously project or retract upper and lower members from opposite open ends of a barrel when one barrel section is rotated about a writing instrument lo... | 09/09/1980 |
| 4213717 | Ball point pen, ink and its eradicator system Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink... | 07/22/1980 |
| 4156657 | Ball point pen, ink and its eradicator system Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink... | 05/29/1979 |
| 4077726 | Grip-lock pen A pen body for a writing instrument, having a plastic barrel, and at the writing end, a collar that covers the end of the barrel, with the outside of the barrel and the inside surface of the collar containing complementary interlocking means for forming a... | 03/07/1978 |
| 4056325 | Mechanical pencil In a push-out type pencil, the lead thereof is extensible by longitudinally sliding the front portion of the pencil relative to the middle portion of the same, said sliding operation being effected in the writing position of hand by retracting said front ... | 11/01/1977 |
| 4002349 | Ski clip device A ski clip device for securing a pair of skis together in a base to base relationship and for holding a ski pole. The device includes first and second generally elongate clip members, each of which is formed to present a generally arcuate cross section de... | 01/11/1977 |
| 3985455 | Convertible writing instrument A writing instrument having a plurality of writing medium assemblies which can be separated into a plurality of writing instruments each having at least one writing medium assembly. The writing instrument may include writing medium assemblies which are al... | 10/12/1976 |
| 3941488 | Marker/anti-marker system A marker system that employs an erasing unit that can couple and uncouple readily from its marker to facilitate the use of specific chemical reagents to "erase" their associated indicator dye inks without the use of non-discriminating bleaches. This erasi... | 03/02/1976 |