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...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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Class 222/446 - Free engaging element carried by one cutoff


Subclass of Class 222 - Dispensing
Definition: Dispensers in which the connection consists of an element
No. of patents: 3
Last issue date: 08/02/2005


NumberTitleIssue Date
6923191Washing agents dispenser device for a domestic washing machine, namely a dishwasher
Dispensing device of washing agents for a household washing machine, in particular a dishwasher, said dispenser having at least a tank for a liquid washing agent and an arrangement for dispensing a dose of said liquid washing agent, wherein this arrangement comprise...
08/02/2005
5078305Simultaneous fill-dispense invert dispenser container
The present invention involves a container having a metered dispensing unit at its outlet, which can simply be opened and poured with assured metered dispensing. The container dispensing unit has a loading chamber, a loading chamber fill port, a dispensin...
01/07/1992
4886193Container closure cap with metering appliance
A device for metering a fluid product comprises a closure cap threaded onto the nack of a container and acting on the stem of a valve member to lift the latter of a seat formed at the lower end of a cylindrical wall fixedly inserted into the neck of the c...
12/12/1989
 
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