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 |
| 7220077 | Traffic noise barrier system A crashworthy traffic noise barrier system for use alongside a path of traffic, the crashworthy traffic noise barrier system comprises a crashworthy longitudinal barrier extending substantially parallel to the path of traffic and a crashworthy traffic noise barrier ... | 05/22/2007 |
| 6945731 | Subterranean utility marker A flag assembly includes an elongated and rectilinear shaft having opposed end portions situated adjacent a ground surface. The shaft includes a banner attached to one of the end portions having surface indicia imprinted thereon. A protective cover member is provide... | 09/20/2005 |
| 5305975 | Flagging apparatus and method An apparatus for representing the state of a condition, the condition having a true state and a false state, the apparatus comprising an indicator having a recognizable feature indicative of the true state of the condition, a cover for covering the indica... | 04/26/1994 |
| 5277146 | Laterally supported flexible sign A flexible sign post for use along roadsides which allows a sign to be deflected when hit by a passing object. The sign post consists of a number of mounting brackets which are spaced apart and secured to a substantially rigid vertical sign post. Each mou... | 01/11/1994 |
| 5123590 | Mail delivery indicator for a mailbox A mail delivery indicator which may be readily and easily mounted on the standard rural or cluster mailbox to signal when the mail has been delivered by the mail carrier. The mail delivery indicator comprises an elongated rod forming a flag staff with one... | 06/23/1992 |
| 5062380 | Distress signal An automobile distress signal for attaching to the side window of an automobile where said distress signal is L-shaped with a short leg and a long leg, the shorter leg having a window mounting attachment. In the primary embodiment the mounting attachment ... | 11/05/1991 |
| 4995330 | Delivery box signaling arrangement A signaling arrangement for a remotely located delivery box, such as one used for receiving newspapers, presenting a control plate assembly movable from a first position to a second signaling position upon placement of an article in the box. The control p... | 02/26/1991 |
| 4892157 | Seed metering shaft rotation indicator An indicator is provided for indicating rotation of a seed metering shaft used with a grain drill. The present invention incorporates a cylinder mounted to the seed metering shaft with its longitudinal axis offset but parallel to the axis of the shaft. Th... | 01/09/1990 |
| 4800834 | Telescopic rod means with rolling display sheet A telescopic rod includes a hollow-pipe handle having a longitudinal slit, an alignment coupler slidably moving along the longitudinal slit of the handle and operatively retained on the top of the handle adapted for aligning a display sheet with the slit,... | 01/31/1989 |
| 4057030 | Rigid golf flag with resilient peripheral edge A rigid golf flag having a resilient peripheral edge is provided for the purpose of long wear and minimum maintenance. Rigid golf flags of metal or plastic will last a long time, practically indefinitely, thereby cutting the cost of operating and maintain... | 11/08/1977 |
