Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Floating or underwater type
Inventor
active
Display system for full face masks
Display system upgrade for a full face mask
Dive mask with integrated monitoring system
Enhanced display- underwater combat swim board
No associations
LandOfFree
William Olstad does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William Olstad, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William Olstad will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2448781