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Fest, Sr.; Otto P.
Tucson, AZ
No. of patents:

Patent Number Title Of Patent Date Issued
6285094 Loop-powered current-loop controller and method September 4, 2001
An apparatus in the form of a current-loop controller driven by the EMF in the loop without the need for external power operates devices connected in the loop (in series) within the current operating range.
6213832 Personal flotation device and related system for maintaining human body in partially-submerged h April 10, 2001
A personal flotation device is configured and sized so that it is adapted to be positioned beneath a person's body to cause the person to be suspended in equilibrium in a partially-submerged state. The device includes a ring-shaped body and a plurality of side floats extending radial

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