Patent US 4868785A

Patent number	US 4868785A
Title	Block diagram editor system and method for controlling electronic instruments
Inventors	Dale A. Jordan, Lynne A. Fitzsimmons, William A. Greenseth, Gregory L. Hoffman, David D. Stubbs
Company	Tektronix Inc
Filing date	1987-01-27
Grant date	1989-09-19
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