Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 4620805 | Plastic bearing and housing assembly A bearing assembly having two part housing and a block of plastic material defining a bearing surface in a bore. The two part housing when secured together defines an interior cavity which receives the block. The housing has at least one opening in either... | 11/04/1986 |
| 4511314 | Mounting for a hermetic compressor In a compressor assembly, the motor compressor unit is vertically supported by lower bearing head which receives the crankshaft of the compressor. The lower bearing head is vertically supported by a positioning plate which is in turn vertically supported ... | 04/16/1985 |
| 4417515 | Lateral support for squeegee A lateral support for a squeegee of an application mechanism of an application machine, has a supporting element arranged to support one end portion of a squeegee, and at least one substantially upright upwardly open guiding element arranged to slidingly ... | 11/29/1983 |
