William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7322119 | Beaded jewelry mandrel and method of jewelry assembly A method for making beaded jewelry is provided. The method utilizes a megaphone shaped device having a small diameter first end and a larger diameter second end. The circumference of the first end is that of one part of the human body, such as a child's wrist. The c... | 01/29/2008 |
| 4534501 | Device for marking the height above the floor of the edges of articles of clothing A device for marking the height above the floor of the edges of articles of clothing in which a force accumulator is charged and released upon actuation of a cloth-pressing lever which drives a pin into the cloth from a pin magazine.... | 08/13/1985 |
| 4068783 | Skirt marker and shaping device A pressure plate is mounted on a vertical support for holding material. A material deflector is pivotally mounted with respect to the support and is adapted to deflect the material against the pressure plate. The pressure plate and the material deflector ... | 01/17/1978 |
| 4050159 | Hem-line marker A hem-line marker used with needles having a head portion and a shank portion, having a base having an upright, clamping means mounted on and slidable along the upright for clamping a portion of the cloth of a garment, pin storing and feeding means for fe... | 09/27/1977 |