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 |
| 5806652 | Tamper-resistant anti-theft guard for coin collection The present invention involves a tamper-resistant guard for a coin-collection machine that receives coins and directs the coins toward a coin-collection machine, while the guard also protects the coin machine from pilfering. The tamper-resistant anti-thef... | 09/15/1998 |
| 5615625 | System for the secure transportation of articles A system for the secure transportation of articles such as cheques and bank notes comprises first and second docking stations at different locations, and a secure container which mates with the docking stations. The container has a number of lockable door... | 04/01/1997 |
| 5216234 | Tokens having minted identification codes A token for use, for example, in the gaming, vending, toll collection and amusement industries, has identifying indicia for automated discrimination of a token identification such as the issuing entity, denomination or the like. The token has a body, subs... | 06/01/1993 |
| 4960196 | Automatic toll collector An automatic toll collector of a throw-in type is installed in toll roads, parking places and other tollgates so that a driver can pay a toll while the driver sits on a driver's seat. The toll collector includes a large hopper for easily receiving coins t... | 10/02/1990 |
| 4675824 | Method of replacing a tolling system for toll roads A method of replacing a punched-card tolling system with a magnetic-card tolling system gradually by installing controllers sequentially at entrance and exit gates, each of which controllers is capable of controlling the terminals for both of these two to... | 06/23/1987 |
| 4474281 | Apparatus and method for coin diameter computation A system for recognizing coin diameters and for computing the cumulative value of coins, including an arrangement for determining the velocity of the coins under free fall conditions by measuring (1) the time taken by a given coin to traverse a fixed dist... | 10/02/1984 |
| 4258502 | Moving automated toll collectors Moving automated toll collector apparatus comprises a plurality of automated toll collectors, each having a large hopper presenting a large target for receiving toll coins, driven at spaced apart intervals in a path parallel to a traffic lane of a toll st... | 03/31/1981 |
| 4256128 | Toll collection station arrangement A toll collection station arrangement includes a toll collection receptacle device having an enlongated currency receiving mouth extending parallel to the toll collection lane at one side thereof for receiving the currency from a moving vehicle as it move... | 03/17/1981 |
