Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Directional light filter and holographic projector system for its production

Directional light filter and holographic projector system for its production

US Patent 5642209 · Granted Jun 24, 1997

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Extreme depth-of-field optical lens and holographic projector system for its pro1998
Enzymes immobilized on latex polymer particles for use with an amino acid electr1991