Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 5038953 | Collapsible box A collapsible box is manufactured simply and inexpensively, and can support hanging files in a secure manner. The box components are all constructed of plastic, and pivotal connections between all of the components (to provide for the collapsing and erect... | 08/13/1991 |
| 4890578 | Poultry nipple drinker A nipple drinker for poultry or the like has a body constructed of thermoplastic acetal (e.g. DELRIN.RTM.) so as to minimize the amount of metal utilized while providing excellent longevity. The drinker includes a valve seat, valve pin, and ball all of me... | 01/02/1990 |
| 4798304 | Collapsible box A collapsible box is manufactured simply and inexpensively, and can support hanging files in a secure manner. The box components are all constructed of plastic, and pivotal connections between all of the components (to provide for the collapsing and erect... | 01/17/1989 |
| 4794881 | Poultry watering system with float box and elongated line An inexpensive poultry watering system allows water to be supplied under very low pressure (e.g. a 2 inch head) to nipples or similar water dispensers, without the use of a regulator. Relatively high pressure water is fed into a float box, with a float va... | 01/03/1989 |
| 4452179 | Advanced poultry drinker construction A poultry drinker includes a headless bell with a replaceable cartridge assembly for operatively attaching the bell to a conventional valve and a stand or a ballast. A flat annular support surface at the headless top of the bell cooperates with an annular... | 06/05/1984 |
