Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 4402053 | Estimating workpiece pose using the feature points method A robot assembly for acquiring unorientated workpieces from a bin. A sensing system views the bin and collects data. A computer analyzes the data to determine candidate holdsites on the workpiece. The hand of the robot assembly then engages a workpiece at... | 08/30/1983 |
| 4266905 | Apparatus for acquiring workpieces from a storage bin or the like Apparatus for acquiring individual workpieces from a supply of randomly oriented workpieces in a storage bin or the like. The apparatus includes a movably mounted head assembly having a gripper connected thereto by an intermediate flexible support. A sens... | 05/12/1981 |
| 4186397 | Short range precision navigation and tracking system and method therefor A short range, precision navigation and tracking system and method therefor are disclosed. The navigation and tracking system utilizes a master-repeater configuration with a phase lock loop controlling the modulation frequency of the master FM transmitter... | 01/29/1980 |
| 4146924 | System for visually determining position in space and/or orientation in space and apparatus employing same Visual system for determining position in space and/or orientation in three-dimensional space for purposes, for example, of directing or instructing an industrial robot to perform manipulative acts and apparatus employing the visual system. The system inc... | 03/27/1979 |
| 4105800 | Immobilized enzyme method to assess fish quality This invention relates to a process and article of manufacture useful for quickly and easily assessing the quality of fish intended for human consumption. An enzyme and a dye are first fixed on a carrier. The treated carrier then changes color upon contac... | 08/08/1978 |
| 4001627 | Method of preparing conductron-type photoconductors and their use as target materials for camera tubes The present invention relates to novel photoconductive materials, their preparation, and their use in camera tubes. In particular, we disclose a method for preparing a Conductron-type photoconductive element from silver sulfide.... | 01/04/1977 |
