Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4029958 | Apparatus for inspecting containers A stream of cylindrical metal containers is fed into apparatus having a rotatable turret. The turret indexes each container past a driven wheel for imparting rotation thereto, and the rotating containers are scanned by a split flange detector. At the same... | 06/14/1977 |
| 4004694 | Extractor assembly for extracting and/or diverting a selected number of signatures from a stream Signatures arranged in overlapping fashion are typically delivered from a press at high speeds (at the order of 80,000 per hour) to be stacked in bundles of a predetermined precise quantity, bundled and shipped to desired locations. During the delivery of... | 01/25/1977 |
| 3986612 | Random access card storage and retrieval system Apparatus for transferring a designated card or card-like article such as a microfiche into or out of a stack of similar cards by producing a separation in the stack at a selected location with a stream of air and moving the designated card into or out of... | 10/19/1976 |
| 3983388 | Apparatus for hardware item inspection The present invention is directed to an apparatus for automatically examining hardware items progressing along a track to detect their characteristics and automatically sort the items in accordance with their characteristics. In accordance with one embodi... | 09/28/1976 |
| 3980567 | Optical cigarette end inspection method and device A method and apparatus for inspecting the ends of cigarettes by use of a spaced pair of optical fiber probes illuminating the ends of a cigarette and receiving light therefrom, and electronic circuit means converting the reflected light into representativ... | 09/14/1976 |
| 3977526 | Tracking systems for sorting apparatus A tracking system for a sorting apparatus for sorting pieces of material moving through a sorting zone in a wide path random stream has a light scanning device which makes repeated scans across the sorting zone to detect light reflected from the pieces of... | 08/31/1976 |
| 3939984 | Package inspection and handling system A packaging handling system for detecting and rejecting faulty packages and for maintaining a packaging or boxing machine in operation for a specific period of time if one or the other goes down. The system comprises a plurality of photocell sensing units... | 02/24/1976 |
