1
Weiss Steven N, Broadwin Alan: Flow control system. Cavitron Corporation, Pohl Philip H, Sperber Philip, September 2, 1975: US3902495 (109 worldwide citation)

A fluidic control system for use in irrigation and aspiration of the anterior chamber of the eye during ultrasonic emulsification of a cataract therein. The system comprises a handpiece with an (ultrasonically vibrated) hollow tip, the hollow tip being connected to the fluid withdrawal or aspirating ...


2
Cusick William L: Stretcher frame. Mar Wil Enterprises, Pohl Philip H, October 15, 1974: US3841008 (11 worldwide citation)

A stretcher frame is shown comprising four sides forming a rectilinear frame, each side having a flat upper rim with a multiplicity of teeth extending out from the upper rim. The lower edge of each of the sides has a flat surface also extending out and an upwardly extending guard. A display cover is ...


3
Edlich William: Transmission. Pohl Philip H, May 14, 1974: US3810401 (1 worldwide citation)

An improved split torque gear reducer transmission is disclosed which incorporates an improved novel ratio range selector transmission control and a disengaging mechanism for eliminating creep while the transmission is in the neutral mode. The ratio range selector comprises a lockable control lever ...