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Jay M Prager, Joseph F Sadlow, John K Nitzsche, Thomas A Nikonchuk, John E Farrand, Roman Gonzales, Hiroshi Matsumoto: Universal input/output system construction for programmable controllers. Gould, Mattern Ware Davis & Stoltz, January 27, 1981: US04247882 (46 worldwide citation)

By providing an input/output housing which incorporates paired slider assemblies for supportingly maintaining a printed circuit board in secure electronic engagement between a central processor and external devices, with said printed circuit board being quickly and easily removable from the electron ...


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Jay M Prager, Joseph F Sadlow, John K Nitzsche: Solid state device mounting and heat dissipating assembly. Gould, Mattern Ware Stoltz & Fressola, September 8, 1981: US04288839 (34 worldwide citation)

By providing a retaining surface, upon which a solid state device is positioned, and a device securing means movable into and out of compression engagement with a portion of the solid state device, for securely mounting and retaining the device in sandwiched interengagement between the securing mean ...


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Jay M Prager, Joseph F Sadlow, John E Farrand, Thomas A Boissevain, Roman Y Gonzales: Modular panel construction for programmable controller. Modicon Division Gould, Mattern Ware Davis & Stoltz, July 29, 1980: US04215386 (24 worldwide citation)

By providing a plurality of input/output housings which are removably connected to a controller interconnecting duct, with each input/output housing accommodating a plurality of input/output modules that are quickly and easily removably connected thereto, an input/output assembly for a programmable ...


4
Richard Nadler, Joseph F Sadlow: Electronics cabinet security cover. Secure Technologies, March 8, 1988: US04729614 (14 worldwide citation)

A cover for a cabinet of the kind having an exposed portion to which access is to be controlled in which the cover has a panel to be attached to the cabinet; the panel has an opening corresponding to the exposed portion; a movable door is arranged to obstruct access to the exposed portion when the d ...


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