...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7168977 | Plug-in jumper for electrical junction and/or connecting terminals and electrical junction and/or connecting terminal A plug-in jumper for terminal blocks is provided for elastic engagement in openings in busbars and for electrical contact-making of the busbars of at least two junction and/or connecting terminals. The plug-in jumper includes a jumper bar having a bar strip and seve... | 01/30/2007 |
| 6648696 | Plug-in connection system having contact paths fixed in an insulation body A plug-in connection system, having contact paths (2; 3) that are inserted into lateral receiving pockets (1.2; 1.3) of an insulation body (1) and that are fixed with a positive fit in a final assembly position by sliding the contact paths in a longitudin... | 11/18/2003 |
| 5573428 | Hermetic electrical connector A low profile hermetic electrical connector includes a conductive layer with opposite first and second conductive layer surfaces. An inner electrical isolation layer is coupled between the first conductive layer surface and a first contact and an outer el... | 11/12/1996 |
| 4752247 | Electrical connector fabricated with unitary frame A connector adapted for connection to the terminal pins of an electrical or electronic device or circuit and which includes a planar contact assembly which is formed in a stamped integral planar frame retained within a two-piece housing with constituents ... | 06/21/1988 |
| 4072376 | Socket assemblies A series of socket assemblies is fabricated of a single strip of flexible material having socket interconnection necks enabling selective separation of adjacent socket assemblies. Each assembly includes a plurality of component-lead receiving sockets in a... | 02/07/1978 |
| 4059739 | Electrical power receptacle having built-in switching contacts An alarm system detects the electrical disconnection of electrical equipment such as an appliance which connects by a power plug to a power receptacle on an AC power line. The detection and alarm generating portion of this system is preferably located in ... | 11/22/1977 |