Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7748340 | Officiating flag apparatus The officiating flag apparatus is partly an air pump having a pump with removably attachable air fitting. An air gauge is disposed on and in communication with the pump. An officiating flag is attached to the pump, thereby combining a pump, an air pressure gauge, an... | 07/06/2010 |
| 7220904 | Bell and clapper for bells A clapper for a bell is hollow on the inside for receiving objects, such as a personal dedication. The clapper may also be provided with a coating for damping the volume of the bell strike, or at least change the sound. ... | 05/22/2007 |
| 7075426 | Flex motion wake-up circuit for a security pack A wake-up circuit and associated method for use in an alarm system hidden in a currency resembling security pack. The alarm system includes an alarm device and an electronic alarm activation circuit that actuates the alarm device upon receipt of an alarm actuation s... | 07/11/2006 |
| 7066820 | Illusion toy An illusion toy has a housing in which a blade is rotated in one direction too rapidly to be seen through 270 degrees between rest positions on respective opposite sides of an article receiving through hole, providing the illusion that the blade has rotated in an op... | 06/27/2006 |
| 7059265 | Antenna pennant attachment device An improved method of attaching paper and cloth pennants and flags to automobile antennae, ropes, and the like is presented. The attachment system consists of a three-part strip of transparent adhesive material and a plastic or metal clip that are inexpensive to pro... | 06/13/2006 |
| 7028693 | Smoking reduction method The invention is a method to reduce the number of cigarettes consumed by a smoker, preferably towards the goal of eventual cessation. The method comprises collecting data that describes a smoker's cigarette consumption, using said data to generate a reduced smoking ... | 04/18/2006 |
| 6968967 | Carrying pouch for small articles A carrying pouch for small articles which include an openable cover that is formed with front and rear faces joined by opposed edge walls and a bottom wall, all contiguous to each other to form an open ended pouch. The articles are receivable within the pouch and on... | 11/29/2005 |
| 6942362 | Lighted whistle Described is an apparatus for a lighted whistle connectable to a predetermined article. A housing forms an outer shape of said whistle and has therein an inner cavity. A mouthpiece adapted for a user to blow air thereinto has an opening in fluid connection with said... | 09/13/2005 |
| 6129265 | Beverage container with entertainment features A drink box beverage container having one or more entertainment features, such as a whistle, horn or pinwheel, actuated by suction applied through a drinking straw inserted into the container.... | 10/10/2000 |
| 5949338 | Personal protection device A cylindrical personal protection device is disclosed having an aerosol cylinder with a nozzle, a light and a removable safety cap. In an embodiment with dual cylinders, the cylinders contain a deterrent spray and a glowing liquid. A trigger proximate the... | 09/07/1999 |
| 5752203 | Portable radio apparatus having cable-incorporated hand strap A portable radio apparatus including a main body, a cable-incorporated hand strap, and an informer. The informer is electrically and/or optically connected to the main body through the cable incorporated in the hand strap. The informer may comprise a soun... | 05/12/1998 |
| 5194224 | Moisture indicator for a respiratory protection device A moisture indicator for indicating the state of moisture loading of an oxygen-releasing chemical in a respiratory protection device which contains the peroxide of an alkali metal as the substance is to be improved such that it will indicate an irreversib... | 03/16/1993 |
| 5115756 | Pennant/flag construction A pennant assembly (10) including a pennant unit (11) rotatably supported on a pole unit (12) by a support unit (13) and further including a noise making unit (14) operatively deployed between the support unit (13) and the pole unit (12) whereby noise wil... | 05/26/1992 |
| 4926786 | Restaurant signaling device The device includes two separately movable indicators for conveying different messages, such as "service needed" or "check please." The device includes first and second actuator pins for moving the first and second indicators relative to a vertical housin... | 05/22/1990 |
| 4787460 | Mounting plate for a fire extinguisher having a self-location feature A wall mounted plate for a hand-operated fire extinguisher in which the plate has markings thereon to signal to the prospective user its location. The plate is composed of a fiberglass reinforced plastic, the markings thereon being of a striped pattern an... | 11/29/1988 |
| 4779568 | Combined personal identification, safety, and convenience device A combined personal identification, sound producer, and repository device is of oblong hollow construction, including two chambers, one of which is formed as a whistle, and the other is provided with access through the body of the device for retaining coi... | 10/25/1988 |
| 4757946 | Flow actuated pulsator A flow actuated pulsator for shooting water in consecutive pulses. The pulsator is powered by water flowing under pressure therethrough and includes a nozzle for ejecting water at high speed, a pulse valve which cycles through opened and closed states to ... | 07/19/1988 |
| 4674628 | Card holding device A portable pocket-size card holding device includes a holder capable of holding a plurality of cards. The holder comprises a pair of spaced floor and top members, laterally spaced side members extending between the floor and top members, and an end member... | 06/23/1987 |
| 4522146 | Burglar alarm system incorporating pneumatically operated components Presented is a burglar alarm system for installation in residential, commercial or industrial premises. The burglar alarm system incorporates photographic equipment which photographs the intruder and a pneumatically operated audible alarm.... | 06/11/1985 |
| 4449474 | Personal security device A personal security device is disclosed which comprises a trigger actuated aerosol canister contained in a two-piece telescoping housing. The canister contains a pressurized offensive odor containing gas such as mercaptoethanol which, when ejected from th... | 05/22/1984 |
| 4130080 | Indicating control structure An indicating control structure for use in an appliance, such as a microwave oven, having a rotatably adjustable mechanism, such as the power level control thereof. The control includes a slider and a guide for guiding the slider reversibly along a presel... | 12/19/1978 |
| 4056956 | Tool for determining safe lock component positions A tool for assisting in determining the locations of disc gates relative to a tailpiece in a combination lock includes a block mounted on a safe handle, a shaft extending from the block, a first pointer extending from the block along the shaft and a secon... | 11/08/1977 |
| 4024831 | Transparent ruler having longitudinally positioned colored area for isolating rows of symbols for rapid scanning A transparent ruler formed of synthetic resinous materials having a longitudinal strip of contrasting light transmitting properties which may overlie a line of characters in a group of such lines to facilitate the rapid scanning thereof.... | 05/24/1977 |
| 3993016 | Protective enclosure and position warning device for outdrive engines A protective enclosure and position warning device for the lower drive gear unit of outboard motors carried by boats and for the outdrive portion of inboard/outdrive type boat engines comprises an enclosure formed of water impervious material which is ada... | 11/23/1976 |
| 3935669 | Electrical signal mechanism actuated in response to rotation about any of three axes An object (baton, ball, etc,) which generates a signal (visual audio, etc.) only when in rotation and when in rotation generates a continuous signal. A power source, a first switch which assumes its ON position in response to centrifugal force, a second s... | 02/03/1976 |
| 3930459 | Indicator instrument assemblies A combined speedometer and tachograph assembly has speedometer and tachograph indicia respectively arranged at one and the other side of a translucent plate and respectively adapted to be illuminated by separate light sources at opposite sides of said pla... | 01/06/1976 |
