Cavitron, Inc.

Other

Allan D LeVantine

A fingerprint card holding device that simplifies the procedure for taking fingerprint impressions on fingerprint cards. The device includes a platen means upon which the card is placed, a hoop means for holding the card to the platen means, an indexing means for locating the card in the correct positions and an actuating means for moving the card for rolling the prints of the fingers of the right hand, the fingers of the left hand and for making the flat fingerprints of both hands.

Automatic fingerprint card holder

An improved coaxial ophthalmoscope incorporating both a light trap for absorbing substantially all of the light not utilized for illuminating the eye under examination, and thereby preventing the unused light from reflecting back into the eye of the viewer thus obscuring the vision thereof, and a filtering means for filtering out the light reflected from the cornea of the eye under examination but allowing the light reflected from the retina to pass therethrough.

Coaxial ophthalmoscope arrangement

An improved coaxial ophthalmoscope incorporating a light trap for absorbing substantially all of the light not utilized for illuminating the retina of the eye under examination and thereby preventing the unused light from reflecting back into the eye of the viewer thus obscuring the vision thereof.

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Tarzana, CA, United States of America

Allan D LeVantine