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 |
| 5677219 | Process for fabricating a DRAM trench capacitor An improved trench cell capacitor for a memory cell and process for fabricating the same. The process includes the steps of forming a trench within a semiconductor body; forming a dielectric layer peripherally within the trench and filling at least a port... | 10/14/1997 |
| 5634230 | Apparatus and method for cleaning photomasks An apparatus and associated method for removing microscopic particle contaminants from an object such as a photomask or a semiconductor wafer. The apparatus utilizes an inspection device to identify the position of any particle contaminants on the target ... | 06/03/1997 |
| 5627092 | Deep trench dram process on SOI for low leakage DRAM cell A deep trench DRAM cell is formed on a silicon on isolator (SOI) substrate, with a buried strap formed by outdiffusion of dopant in associated trench node material, for providing an electrical connection between the trench node and the active area of a MO... | 05/06/1997 |
