Bizarre Patents
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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| Number | Title | Issue Date |
| 5467220 | Method and apparatus for improving semiconductor wafer surface temperature uniformity In a processing chamber that includes a wafer pedestal adapted to heat and cool a wafer during wafer processing, where the wafer is secured to the pedestal with a wafer clamp ring, a yoke having a surface in spaced facing relation with a wafer surface is ... | 11/14/1995 |
