Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 4239113 | Composition for the preparation of bone cement A bone cement in pliable and moldable form which when applied to bone and cured has superior characteristics containing an admixture of methylmethacrylate copolymers, methylmethacrylate, and between 15 and 75% by weight of an inorganic composition of betw... | 12/16/1980 |
| 4059684 | Bone cement compositions containing gentamycin A bone cement composition includes, as the principal component, powdered copolymers of methyl methacrylate and methyl acrylate, or monomeric methyl methacrylate, and, in addition, gentamicin hydrochloride and/or gentamicin hydrobromide, or a mixture of ge... | 11/22/1977 |
| 4001939 | Tooth-filling material based on synthetic plastics material Tooth filling and dental fixing using a monomeric polymerizable liquid and a polymer in powder form, which can be a mixture of monomeric and polymeric methyl methacrylates. Adhesion is increased by using a hydroperoxide of the formula ROOH in which R is a... | 01/11/1977 |
