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"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 4559803 | Tool for making hollow articles A tool, and method, for making the outer member of a constant velocity universal joint of the cross-groove type, the outer member being of hollow form having in its interior two sets of helical grooves of opposite hand. The tool comprises first and second... | 12/24/1985 |
| 4411569 | Apparatus for broaching rifling A method for broaching a gain twist rifling in a gun barrel comprises cutg the initial tracking groove in the gun barrel, and thereafter passing a plurality of freely rotatable cutter assemblies disposed in spaced apart communication with each other, so ... | 10/25/1983 |
