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 |
| 4448837 | Pressure-sensitive conductive elastic sheet A pressure-sensitive, conductive elastic sheet for use in a graphics digitizing tablet through which various letters or figures can be detected, the characteristics of which are such that the contact pressure is almost constant irrespective of contact are... | 05/15/1984 |
| 4286112 | Message preparation timing apparatus An apparatus is disclosed for use with teletypewriter consoles in teleprinter communication networks for providing transmission time information during message preparation; namely, the number of whole minutes of message time plus either the number of char... | 08/25/1981 |
| 4162762 | Data processing machine, especially ciphering equipment A data processing machine, especially ciphering equipment, comprising an input device for the entering of data to be processed. The input device comprises a perforated tape reader containing a scanner unit for scanning standardized teleprinter perforated ... | 07/31/1979 |
| 3983365 | Tape readers A perforated tape reading mechanism provides a programmable timing function. A drum rotatable by a synchronous motor carries the tape, and is supplied with a ratchet mechanism which permits the drum to rotate by said motor over a partial rotation and then... | 09/28/1976 |
