I believe that this model of shotgun like so many others was made by Crescent Firearms Co.This company made over 100 different Guns which used trademark names for the business that ordered them.Your double barrel shotgun will bring between 100-185 dollars today depending on the overall condition of the shotgun and bores.
Yes.
50-150 USD
That patent date is on several models of Stevens shotguns. Ranger was a trade name sold by Montgomery Ward. It was most likely made sometime between 1920 and 1945.
50-150 USD or so
The value of a Ranger 12 gauge double barrel shotgun with the specified patent date and markings typically ranges from $200 to $600, depending on its overall condition, functionality, and any historical significance. Factors such as the presence of original features, wear, and any modifications can also influence its value. For a more precise appraisal, it is advisable to consult a firearms expert or appraiser familiar with vintage shotguns.
No
Sold by Sears Roebuck. Probably manufactured by Stevens.
If it is side-by-side, probably Stevens.
Most likely Stevens they did make a model #5100
50-100 USD
100-10000 USD depending on EXACTLY what you have and its condition.
Stevens made for Sears Roebuck