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Gelick; Robert S.
Evanston, IL
No. of patents:

Patent Number Title Of Patent Date Issued
5575277 Equaliztion system for a diving mask November 19, 1996
The present invention is directed to a pressure equalization system for use in a dive mask of the type used for scuba diving and skin diving. The dive mask generally includes a frame in which a substantially transparent window or lens is mounted. A flexible skirt is also attached to the
5572989 Pressure equalizing mechanism for a diving mask November 12, 1996
An improved diving mask is disclosed. The diving mask includes a frame and a lens mounted and sealed within the frame. A flexible skirt is also mounted to the frame and designed to form a seal with a diver's face around the eyes and nose of the diver. The skirt includes a flexible no

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