Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 4487417 | Puzzle amusement device An amusement device for selectively interchanging or transferring coded pieces from one storage element to a second adjacent storage element is disclosed. The two storage elements are connected to each other for relative rotation. The coded pieces are tra... | 12/11/1984 |
| 4482178 | Storm window lock A lock for a storm window, a catch of the lock being adapted to fit within a track along which a positionable window slides to a closed position. Spring biased latches on the positionable window are automatically biased by the catch away from the track an... | 11/13/1984 |
| 4457656 | Stack assembling apparatus and technique Stack handling apparatus includes an input delivery section having two spaced apart conveyor segments operatively arranged to move equidistantly with respect to a centerline between the two conveyor segments. A stack formation section receives articles co... | 07/03/1984 |
| 4439303 | Crystallographically-oriented spatially-dispersed conductive fiber electrode An electrode for use in electrochemical reactions such as electrochemical stripping analysis comprises a plurality of generally parallelly oriented and laterally spatially displaced electrically conductive fibers which are separated and held in a core by ... | 03/27/1984 |
| 4433761 | Portfolio with frame and integral article retainers A portfolio for an attache case or the like includes a front panel assembly defined by a portfolio frame and a backing panel. The portfolio frame is preferably formed from a single piece of molded material, such as plastic, having flexible but semirigid c... | 02/28/1984 |
| 4423864 | Angularly adjustable ski deck An angularly adjustable ski deck is selectively downwardly or upwardly inclinable. A stand is pivotally connected to a frame, which frame rotatably supports a pair of belt rollers at either end thereof along a line transverse to the length of said frame. ... | 01/03/1984 |
| 4415158 | Puzzle Puzzles, including both two dimensional and three dimensional versions, are comprised of movable segmented segments on a base. In various embodiments the base is a sphere. The segmented sections form geometric figures and each geometric figure has a commo... | 11/15/1983 |
| 4403296 | Measuring and determination device for calculating an output determination based on a mathematical relationship between multiple different input responsive transducers An electronic measuring device utilizes multiple different transducers for supplying signals exhibiting predetermined and typically nonlinear relationships to the multiple input variables sensed by the transducers. The measuring device includes a microcom... | 09/06/1983 |
| 4339968 | Hydraulic torque multiplier wrench A power wrench includes a relatively flat elongated housing with an output shaft at one end operatively connected to one end of a drive segment lever arm whose opposite end is connected to a hydraulic cylinder mounted transverse to the lever arm. The hydr... | 07/20/1982 |
| 4317177 | Power priority control system for aircraft and test apparatus therefor A control system prevents electrical overloads in an aircraft of the type in which electrical loads are automatically connected to an electrical supply bus when the wing flaps are extended. The control system determines the maximum capability of the elect... | 02/23/1982 |
| 4257426 | Vacuum assisted anti-coagulant syringe device for taking blood samples A syringe device has a hollow tubular body that receives a resilient sealing member rotatably connected to a hollow plunger. A vacuum pump is connected through a flexible tube to the hollow plunger to thereby withdraw blood using the vacuum created. Once ... | 03/24/1981 |
| 4217491 | Counting system for articles conveyed in a stream An electro-optical device mounted over a conveyed stream of articles for sensing the passage of each article by projecting a single spot of light onto the articles and measuring the reflectance of that spot from two different angles. The measured reflecta... | 08/12/1980 |
| 4180534 | Apparatus for dispensing a fuel-air mixture in an airstream A primary fuel-air mixture is dispersed into an airstream flowing through a venturi to achieve a desired final fuel-air mixture. The flow of air through the venturi is operatively controlled by a throttle valve means which includes a tube member having a ... | 12/25/1979 |
| 4177967 | Guidance arm for tripod apparatus A guidance apparatus for controlling universal coupling movement of a tripod head includes control or guiding means operatively connected to the head of the tripod and extending therefrom to contact the upper torso of the individual using the tripod indep... | 12/11/1979 |
| 4174759 | Rotary drill bit and method of forming bore hole Means for emitting high-pressure jets of fluid such as water, and mechanical rock breaking wheels, are positioned on a rotary drill bit for cooperatively cutting an axially extending bore hole through earth material. A center core opening is cut into the ... | 11/20/1979 |
| 4161880 | Linearized digital thermometer A digital thermometer uses a microprocessor computer containing stored information relating to the response characteristics of a transducer to supply a measurement of temperature. The transducer is preferably a thermistor whose resistance varies in a pred... | 07/24/1979 |
| 4160443 | Inflatable solar heat collector An elongated inflatable tubular housing is provided including front and rear wall portions. The front wall portion is constructed of solar radiation transparent material and a panel of solar radiation absorbing material is mounted in the housing and exten... | 07/10/1979 |
| 4042194 | Parachute harness release mechanism A parachute harness release mechanism for use on a parachute harness such as a torso restraint garment vest carrying releasable buckles for connection with parachute riser shoulder harness straps, releasable buckles for connection with survival kit lap be... | 08/16/1977 |
| 4032909 | Arrangement for testing an alarm system and method An arrangement for testing an alarm system, requiring only a single individual. The alarm system itself includes an alarm activation circuit, a main alarm, for example an audio alarm, and a plurality of remote sensors all connected together such that acti... | 06/28/1977 |
| 4028948 | Actuating mechanism for seat restraint divestment system A mechanism for actuating a restraint divestment system for instant release of a crewman equipped with a parachute and restraint harness from an aircraft ejection seat mounted restraint assembly in the event of any emergency requiring such separation. In ... | 06/14/1977 |
| 4011600 | Adjusting device for hat with sweat band A hat having an adjustable sweat band for controlling the tightness of the fit of the hat. A hat is provided with a sweat band of a flexible material having a draw strap secured at one end to the band and extending circumferentially of the sweat band on t... | 03/15/1977 |
