1790.
If that is a US Patent, you can look it up on Google, and tell when the patent was issued, but it cannot date the gun- other than we know it would have been made AFTER the patent was issued.
He was issued a patent a motion picture roll film in 1884. He was issued a patent for the first hand-held camera with roll film in 1888, called the Kodak camera.
644,077 (US) issued February 27, 1900
The first glue was patented in 1750.
The first patent for a locomotive was issued in the name of Julius Griffiths in 1821.
Yes, a patent issued in 2009 can certainly be used in court to collect damages from anyone who can be proven to be infringing the patent.
Alfred Nobel patented dynamite in 1868, and an additional patent was issued to Morse in 1880, for a slightly different formula.
Patent pending is a warning that a patent application has been filed. It is completely worthless until and unless a patent is actually issued for that invention. Patent number notice means a patent with that number was issued for the invention that is implemented in the product labeled with that number.
The Frisbee patent was issued on September 30, 1958 as Design Patent number D183,626.
According to the USPTO, the earliest patent assigned to Wastequip issued 11 May 2004 and their most recent patent (as of January 2011) issued 21 September 2010.
Mary Anderson invented the windshield wiper in 1903. The patent was issued in 1905.