1
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 ...


2
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 ...