Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4187421 | Optical relay A relay for electromagnetic radiation occurring in the optical portion of the electromagnetic spectrum has a receiver and a transmitter. The receiver senses a propagated beam of electromagnetic radiation providing a signal corresponding thereto which is s... | 02/05/1980 |
| 4047023 | Color mark detector with pulsed source and synchronous demodulation A detector for marks having a color which contrasts with the mark background employs a solid state light source projecting a light beam having a plurality of wave length components corresponding to a plurality of colored light wave lengths. The light beam... | 09/06/1977 |
