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 |
| 4091919 | Wafer packaging system A wafer packaging system for clean packaging and damage-free transporting of semiconductor wafers. The system includes tubular outer and inner containers, the inner container adapted to be contained by the outer container with the longitudinal axes of bot... | 05/30/1978 |
| 4066401 | Long term storage apparatus A long term storage system comprising: Conduit means for supplying an inert gas; A plurality of long term storage containers adapted to be filled with an atmosphere of said inert gas and a fluid flow pathway serially interconnecting said conduit means with sai... | 01/03/1978 |
| 4054204 | Compressed foam article An article fabricated from a flexible foam material, such as foam rubber, is compressed by encasing the article in a substantially air-tight sack, and withdrawing air from the sack, thereby reducing the size of the foam article for packaging. The article ... | 10/18/1977 |
| 4018253 | Home vacuum apparatus for freezer bags It is well known that food to be frozen, if placed in an evacuated container before it is frozen, will better retain the flavor and freshness of the food. However, there is no apparatus available and known to the applicant which permits evacuation of a co... | 04/19/1977 |
| 3989853 | Method for expanding confections in a package An improved method for the manufacture of expanded confections in sealed containers (e.g., cartons or polyethylene bags). The bag has a vent in one wall which is open during an expansion operation. Thereafter the vent may be sealed and the product distrib... | 11/02/1976 |
| 3988499 | Storage bag and method for using same A storage bag made of a composite film material of two or more plys of plastic film for use in vacuum packaging fresh perishables, such as fresh cuts of meat. The film composite has a matted finish on the inside surface of its inner layer which causes the... | 10/26/1976 |
| 3980226 | Evacuateable bag An evacuateable bag is provided for use as a casing about articles to be stored. The bag is of thin flexible material having one end thereof provided with a large opening through which articles are inserted. After the bag is filled, the large opening is c... | 09/14/1976 |
| 3958693 | Vacuum X-ray envelope An opaque vinyl envelope having facing polished inner surfaces and an open edge into which an intensifier screen and X-ray film are inserted. The other three edges are completely sealed except for a valve at one edge. Reinforcing strips are attached along... | 05/25/1976 |
| 3957097 | Sealed container A container and closure combination wherein the closure includes a stepped ledge area formed by two truncated conical sections that produce a structure resiliency enabling the generation of an effective seal between the mating parts.... | 05/18/1976 |
| 3943987 | Reclosable air-tight containers with evacuation means A container for perishable articles or substances includes a replaceable closure member capable of forming an airtight seal with a body portion of the container. An evacuation valve is provided on the closure member or another accessible part of the conta... | 03/16/1976 |
| 3931396 | Method of preparation of a composition having a base of 99.sup.m technetium for diagnosis by scintigraphy A method for preparing a pyrophosphate-tin composition labelled with 99.sup.m technetium for medical diagnosis by scintigraphy, especially bone scintigraphy. A pyrophosphate solution and a freshly prepared stannous chloride solution are mixed together and... | 01/06/1976 |
