Optically effective reflective setting screen for a single lens reflex camera
Номер патента: DE2152790C2
Опубликовано: 23-02-1984
Автор(ы): Nathan Framingham Mass. Gold, William Torsch Concord Mass. Plummer
Принадлежит: Polaroid Corp
Опубликовано: 23-02-1984
Автор(ы): Nathan Framingham Mass. Gold, William Torsch Concord Mass. Plummer
Принадлежит: Polaroid Corp
Device for non-invasive cleaning of the light sensor of digital single lens reflex cameras
Номер патента: US20070110431A1. Автор: Biddle Worthington. Владелец: Individual. Дата публикации: 2007-05-17.