Can't be answered.
1921
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.
Question can't be answered as posed.
It was selling in Australia in 1964/1965.
Impossible to date from patent 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.
No way to tell. You can look up that patent, and it will tell you what year that patent was granted- but there is no way of telling when it was made, other than AFTER that patent was granted.
The Wilkinson razor with patent number 321115 was produced in the year 1931.
Anything that was collected and patent in the year it was made, an issue year can be determined between partners or individual on an exact date and time...
The Mossberg and Sons .22 caliber rifle with the U.S. Patent number 110729 was produced in 1931. This specific patent relates to the design elements of the rifle. If you have a specific model in mind, the production year can vary, but the patent itself dates to that time.
To cite a patent in APA format, include the inventor's name, the patent number, the title of the patent, the publication date, and the source of the patent. Format it as follows: Inventor(s). (Year). Title of patent (Patent No. xxxxxx). Source.
Edward J. Claghorn was the first to patent a seat belt. He has the patent number of #312,085 in year 1885.