Question can't be answered as posed.
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.
AFAIK, Colt never made a single shot pistol
The moonwalk is not patented, the shoes that were made for the Smooth Criminal lean is the one that has a patent.
Can't be answered.
1943
1934. A rather early pistol.
that would depend on overall condition and when it was made. by furnishing the serial number it can be determined when pistol was made...............
Impossible to answer without the serial number.
The Ping putter with the patent number 4527789 was made in 1985. This patent specifically pertains to a design that includes features enhancing the putter's performance and alignment. The innovation contributed to the popularity of Ping putters within the golfing community.
1921
Serial number
made about 1897