Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preformatted information medium and optical reader device

Preformatted information medium and optical reader device

US Patent 4858221 · Granted Aug 15, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for reconstructing a three-dimensional image of an object2003
Method of positioning a radiographic device2002
Method of reconstruction of a three-dimensional image of an object2001
Device and process for simulating a patient's blood vessels2001
Device for simulating a patient's blood vessels2001
Compact radiology instrument2001
X-ray beam-shaping filter and X-ray imaging machine incorporating such a filter2000
Stereographic X-ray examination system including graphic screen means for genera1993
Radiation control device with variable active surface of the type sensitive to i1992
Radiation control device with variable active surface1991
Mammograph equipped with an integrated device for taking stereotaxic photographs1991
Optical memory system which uses a different illumination mode when scanning res1989