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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 4791101 | Synergistic mixtures of interferons and tumor necrosis factor Ternary compositions of an interferon of the alpha and/or beta type with an interferon of the gamma type and tumor necrosis factor having a surprising and unexpected synergistic anti-proliferative effect on neoplastic cells when compared to the activity o... | 12/13/1988 |
| 4296202 | Diagnostic composition for the detection of leukocytes and chromogens useful therein Novel diagnostic composition for the detection of leukocytes in body fluids, comprising an absorbent carrier impregnated with a buffer substance and a chromgen, wherein the chromogen is an azo dyestuff ester of the formula wherein A is a five- or six-memb... | 10/20/1981 |
| 4282151 | Reactive asymmetrical dicarboxylic acid esters and reagents for the investigation of cardiac glycosides New reactive asymmetrical dicarboxylic acid ester compounds of the formula ##STR1## wherein R1 is an alkyl radical containing up to 3 carbon atoms or is a digoxin or digitoxin residue, R2 and R3, which may be the same ... | 08/04/1981 |
| 4260777 | Diagnostic agent for the detection of protein in body fluids Protein in body fluids, e.g., urine, is detected by contacting a sample of the body fluid with a diagnostic agent comprising an absorbent carrier impregnated with a pH indicator of the octahalosulfophthalein group, a buffer, and at least one linear or bra... | 04/07/1981 |
| 4233299 | 4-Hydroxy-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxides and salts thereof Compounds of the formula ##STR1## wherein R1 is hydrogen, methyl or ethyl; R2 is methyl, ethyl or n-propyl; and Y is hydrogen, methyl, methoxy, fluorine or chlorine; and non-toxic, pharmacologically acceptable salts thereof formed with an... | 11/11/1980 |
