Nuts, the edible variety this time and yes they are really nut crackers!

Left to right they are the following.

Mitchell Renz patent, patented August 23, 1881, patent 246,034. Renz was listed as living in Bridgeport Connecticut at the time the patent was issued.

Charles F. Ritchel patent, patented September 10, 1878, patent 207,897. Ritchel was living in Corry Pennsylvania at the time the patent was issued.

David C. Wheeler & William W. Sperry patent, patented September 27, 1892, patent 483,334. Wheeler & Sperry were living in Bridgeport Connecticut at the time the patent was issued. 

Very interesting!

Nice!!! Thanks for sharing!!

I saw your title, NUTS, and thought you were looking for me! 

My first reaction.

https://en.m.wikipedia.org/wiki/Anthony_McAuliffe