U.S. patents available from 1976 to present.
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Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

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Class 400/672.2 - Key-lever lock (e.g., by hook on key-lever)


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the preventing means includes an
No. of patents: 2
Last issue date: 05/05/1981


NumberTitleIssue Date
4265558Differential key lock mechanism for justifying text writing composing machine
A desk top justifying text writing composing machine including automatic encoding and reading control means for operating a desk top justifying reproducing machine, or for operating larger and more sophisticated printing machines capable of automatic just... 		05/05/1981
4023664Automatic typewriter
Apparatus for converting code responsive, bail operated electric typewriter into an automatic typewriter. The apparatus includes discrete sensing, actuating or combined sensing-actuating assemblies disposed in existing cavities formed by the typewriter me... 		05/17/1977
 
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