![Private Label Trade Names on American Pocket Watches: The Non-Magnetic Watch Company: Part 12: Charles Willis Ward’s Patent Platinum Alloy img](https://blog.pocketwatchdatabase.com/wp-content/uploads/2021/11/CharlesWillisWard-PlatinumAlloy-Patent-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 significantly with temperature changes, and were non-magnetic. Paillard’s last patent application in the United States...