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 172/209 - Interrelated tool lift and shift


Subclass of Class 172 - Earth working
Definition: Apparatus having earth working means other than parallel
No. of patents: 1
Last issue date: 07/27/1982


NumberTitleIssue Date
4341148Hydraulic sequencing valve
There is disclosed a new and improved hydraulic sequencing valve of the type which includes a movable valve spool within the body to sequence operation of the valve. An aperture through one spool or chamber is arranged for direct fluid communication with ... 		07/27/1982
 
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