1
Flavell Evan R: Proportioned resistance exercise servo system. Owen Wickersham & Erickson, November 19, 1974: US3848467 (98 worldwide citation)

A proportional resistance exercise servo device. User interfacng means is connected to a drive shaft so that the user applies force to said drive shaft and vice versa. The device applies braking force to the drive shaft as it is rotated in a first direction by user-exerted force on the interfacing m ...


2
Flavell Evan R: Proportioned resistance exercise servo system. Owen Wickersham & Erickson, March 4, 1975: US3869121 (87 worldwide citation)

A proportional resistance exercise servo device. User interfacing means is connected to a drive shaft so that the user applies force to said drive shaft and vice versa. The device applies braking force to the drive shaft as it is rotated in a first direction by user-exerted force on the interfacing ...


3
Hughes Leonard A, Tressel Willard, Flavell Evan R: Colorimeter using interchangeable meter face members. July 20, 1971: US3594086 (6 worldwide citation)

A colorimeter which, as one unit of instrumentation, quantitatively analyzes individual test samples of biologic materials for medical purposes according to any one of a presently substantial and prospectively expandable number of different qualitative assays. The instrumentation features a single u ...


4
Ross Albert, Garrett Richard H, Gordon Hayden S, Flavell Evan R: Siege orthopedique portatif et repliable, Portable folding orthopedic chair. Ross Albert, SMART & BIGGAR, August 19, 1980: CA1084177

Abstract of the Disclosure A portable folding orthopedic seat unit for use ona chair, automobile seat, or the like. A semirigid seatmember is hinged to a back member. Vertical rigid supportmeans extends from the bottom to the top of the back memberand supports a back-support assembly, comprising two ...