Today In History
Jan E. Matzeliger, an African American, was issued a patent for a mechanical "lasting device", which attached a shoe's upper leather to its sole.
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| Number | Title | Issue Date |
| 6074689 | Colonic delivery of protein or peptide compositions Disclosed is a method for delivering an active protein or peptide to the colon. The steps of the method include providing a multiparticulate dosage core particle comprising 3 components, the total weight of the 3 components in dry form defining a batch si... | 06/13/2000 |
| 5888748 | Methods and articles of manufacture for the detection of cryptosporidium occysts Embodiments of the present invention relate to methods and articles of manufacture for the detection of Giardia cysts and Crytosporidium oocysts.... | 03/30/1999 |
| 5789190 | Methods and kit for the detection of cryptosporidium oocysts and giardia cysts Disclosed are methods and kits for the detection of Cryptosporidium oocysts and Giardia cysts. Such methods include the concentration of a water sample to form a retentate followed by resolution the retentate by density centrifugation. At least one layer ... | 08/04/1998 |