Search results
Appearance
The pages "hopperboy" and '"hopperboy"' do not exist. You can create a draft and submit it for review or request that a redirect be created, but consider checking the search results below to see whether the topic is already covered.
- patent was on the hopperboy as such, it would be invalidated by any use of a hopperboy operating on the same principle as Evans' hopperboy; and that the trial...14 KB (2,020 words) - 02:10, 13 September 2023
- Evans' improved hopperboy, but sought to show either that the patent only covered the improved method as a whole (and not the hopperboy specifically),...11 KB (1,558 words) - 11:14, 4 May 2024
- defendant Hettich claimed that he did not use Evans' hopperboy, but instead used the earlier Stouffer hopperboy. The trial was presided over by Justice Bushrod...9 KB (1,174 words) - 02:10, 13 September 2023
- the following heads. (1.) Such as respect the value of the plaintiff's Hopperboy. (2.) The time of its discovery. (3.) The kind of machine used by the