"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 8100149 | Combined pressure, temperature and air vent device A venting probe insertion chamber that is attached to a uniquely designed port which combines the attributes of a probe insertion chamber along with the ability to vent to atmosphere gasses that are present in piping system. This invention combines the functions of ... | 01/24/2012 |
| 5657792 | Capped sleeve for discharge outlet One end of a sleeve is inserted into a waste water discharge outlet of a recreational vehicle until an annular flange abuts the discharge outlet. Each of a plurality of plastic ties interconnects one dog attendant the discharge outlet and the annular flan... | 08/19/1997 |
| 5634496 | Collapsible tube The invention is an improved cap for a collapsible tube, particularly a tube having tamper evident means as is used on tubes having eye medications. The cap has a flexible substantially cylindrical wall which can be squeezed into an elliptical shape to pe... | 06/03/1997 |
| 4337814 | Air valve conduit in the track wall of a tire Tires are typically inflated through an air conduit mounted on the tire carcass and extending through a hole in the metal rim on which the tire is mounted. Now and then relative slipping between the tire and rim has caused the air conduit to be sheared of... | 07/06/1982 |
| 4281422 | Swimming pool winterizing disconnect unit A disconnect unit for the isolation of the aqueous contents of a swimming pool from pump lines running into said pool which permits contained water to be blown clear of said pump lines without need to remove any substantial quantities of water from the po... | 08/04/1981 |