Underwater Camera (Homework 1)
Patent is for an underwater single use camera.
This is a disposable camera, but unlike the current Fugifilm disposable camera, this has a plastic transparent shell which allows for use underwater. The plastic shell is removable for the development of film. The plastic shell also contains the viewfinder, unlike previous models with the viewfinder within the camera. Patent is not however, only for the case, it is also for the disposable camera itself.
Patent can be found under: United States Patent 4882600