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Patents
![Boston Watch Company Private Label Hampden with Goold’s Patent Regulator img](https://blog.pocketwatchdatabase.com/wp-content/uploads/2022/06/DSC07039-1024x1024.jpg)
Pictured: “Watch Bridge” U.S. Patent #D18722 In a move that was rather uncommon for watch manufacturers at the time, the Non-Magnetic Watch Company of America applied for a design patent.
Pictured: Ajax Insulator with Original Box [Images Courtesy of eBay Seller baubles-and-buttons] The anti-magnetic Ajax Insulators sold by the Newark Watch Case Company typically featured a glossy black exterior and.
![Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 14: Alternative Anti-Magnetism Devices: Giles Anti-Magnetic Shield img](https://blog.pocketwatchdatabase.com/wp-content/uploads/2021/11/Giles-Anti-Magnetic-Shield-Ad-JC-1884-1024x1024.jpg)
Pictured: U.S. Patent #384,731 Charles-Auguste Paillard received six patents in the United States for his innovative palladium alloys used in watchmaking. Paillard’s alloys were immune to corrosion, did not dilate.
Pictured: Paillard’s Palladium Balance and Hairspring Charles-Auguste Paillard was granted a patent in the United States for his palladium alloy compensation balance on March 8, 1887. The remaining patents issued.
![Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 9: Paillard’s American Patents: Palladium Compensation Balance img](https://blog.pocketwatchdatabase.com/wp-content/uploads/2021/11/Paillard-Compensation-Balance-USPatent-No359093-1024x1024.jpg)
Pictured: C.A. Paillard’s Palladium Balance Abstract of English Patent #8730. While the most delicate part of a watch to be significantly affected by magnetism and corrosion is the hairspring, the.
Pictured: C.A. Paillard’s Palladium Hairspring English Patent #6367. In the late 1870s, after a decade of experimentation, Charles-Auguste Paillard successfully developed a palladium alloy that was immune to corrosion, featured.
![Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 2: Charles-Auguste Paillard img](https://blog.pocketwatchdatabase.com/wp-content/uploads/2021/11/Charles-Auguste-Paillard.jpg)