Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7275660 | Dose indicator for fluid product dispensing device The present invention relates to a dose indicator (A) for a fluid dispenser device (B), the indicator indicating the number of doses dispensed or the number of doses still to be dispensed. The indicator is particularly adapted to aerosols including metering valves, ... | 10/02/2007 |
| 7033102 | Calculating pen The present invention generally relates to a writing instrument that includes a means for calculating the result of specific a non-linear equation, such as the Body Mass Index (BMI) of a person or the energy developed by a falling object. The present invention is a ... | 04/25/2006 |
| 6890117 | Writing pen that calculates body mass index A writing instrument that includes tables and operational elements for calculating the Body Mass Index (BMI) of a person. In general, the BMI of a person is calculated based on the weight and height of the person. The present invention is a writing instrument which ... | 05/10/2005 |
| 6769601 | Inhaler with a dose counter A multiple-dose powder inhaler comprising an inhaler body defining a medicament container, an air channel, a mouthpiece, a rotatable metering drum with one or more peripheral dosing recesses and a dose counter for indicating the number of metered doses of medicament... | 08/03/2004 |
| 6000725 | Lottery ticket and method of playing a lottery game A lottery ticket includes an upper edge, a lower edge, opposite side edges, and a first area located adjacent the upper edge, the first area having a first set of gaming indicia disposed thereon that form lower portions of prize symbols. A second area is ... | 12/14/1999 |
| 5028764 | Calculating instrument and method therefor A calculator for doing multiplication having an integral ball point pen. The calculator includes a ball point pen, an inner cylinder fixedly connected to the ball point pen, and an outer cylinder angularly displaceable relative to the inner cylinder. The ... | 07/02/1991 |
| 4551620 | Biorhythms analog computer-calendar A Biorythms analog computer-calendar is provided to display without computations the level of the physical, the emotional, and the intellectual biorythms of a human body. The level of the three biorythms appears on display in analog and digital forms for ... | 11/05/1985 |
| 4369358 | Table correlating device for scuba divers An apparatus used to correlate and selectively read information from tables dealing with the extent of nitrogen absorption in a scuba diver's body. Tables containing information relating to the amount of time a diver spends at various depths, decompressio... | 01/18/1983 |
| 4347853 | Cycle counter for lung exerciser A simple device intended to register the number of cycles performed by a patient using a lung exerciser. A means for easily resetting to zero is provided. The device is adaptive to various sizes, scales, and maximum number of cycles.... | 09/07/1982 |
