"Hill's Patent" Stanley Bull-Dog Revolver: Blatant Patent Theft in 1878

Published on September 25, 2023
Duration: 9:43

The Hill's Patent Stanley Bull-Dog Revolver, likely Belgian-made and imported to the UK, showcases a simultaneous ejection system. Despite bearing 'Hills Patent' markings, research indicates W.J. Hill's 1878 patent covered lockwork, not the ejector. The actual patent for this system belongs to Belgian inventor Dupré-Joassart, patented in 1873, suggesting Hill misrepresented patents to collect royalties on stolen designs.

Quick Summary

The Hill's Patent Stanley Bull-Dog Revolver from 1878 features a simultaneous ejection system. Despite 'Hills Patent' markings, the ejector design was patented by Dupré-Joassart in 1873, suggesting W.J. Hill may have misrepresented patents.

Chapters

  1. 00:00Introduction: Hill's Patent Stanley Bull-Dog Revolver
  2. 00:42Markings and Identification: Hills Patent, Stanley Bull Dog
  3. 01:16Manufacturing Context: Belgian Origin?
  4. 02:44Calibers and Variations: .450, .32, .38
  5. 03:06Ejection Mechanism Demonstration
  6. 04:20Patent Investigation: W.J. Hill's 1878 Patent
  7. 05:07The True Inventor: Dupré-Joassart's 1873 Patent
  8. 06:01Patent Theft Analysis
  9. 08:34Conclusion: 19th Century Patent Law

Frequently Asked Questions

What is the Hill's Patent Stanley Bull-Dog Revolver?

The Hill's Patent Stanley Bull-Dog Revolver is a firearm from 1878, notable for its simultaneous ejection system. It's often marked 'Hills Patent', but research suggests the ejector design was patented earlier by Dupré-Joassart.

Who truly invented the ejection system on the Stanley Bull-Dog revolver?

The simultaneous ejection system featured on the Stanley Bull-Dog revolver was patented in 1873 by Belgian inventor Jean Mathieu Dupré-Joassart, five years before W.J. Hill's patent.

Was W.J. Hill's patent for the Stanley Bull-Dog revolver's ejector system?

No, W.J. Hill's 1878 patent for the firearm marked 'Hills Patent' actually covered lockwork mechanisms, not the simultaneous ejector system. The ejector system was patented by Dupré-Joassart.

What caliber is the Stanley Bull-Dog revolver?

The Stanley Bull-Dog revolver discussed is chambered in .450 caliber. However, variations of this model were also produced in .32 and .38 calibers.

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