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Charles Kettering
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| Number | Title | Issue Date |
| 5897893 | Pet chew with edible tubular wrapper and method of making same A pet chew comprised of an inner bone or bone-like core, and at least one outer edible tubular wrapper layer composed of dried animal viscera or other tubular food product compositions.... | 04/27/1999 |
| 5289795 | Edible rodent habitat The present invention provides a new product for small animals such as rodents (e.g., gerbils, mice, rats, hamsters, guinea pigs, chinchillas, rabbits, etc.) and the like. The new product is comprised of a hollow housing, such as bone or pipe, having a ca... | 03/01/1994 |
| 5149550 | Methods for making pet chews The present invention provides methods for making pet chews. According to the invention, ligaments from cattle and other hoofstocks are rendered substantially free of fat and then dried until the de-fatted ligaments are hardened and suitable for use as pe... | 09/22/1992 |