When was your H and R topper model 88 made the united states patent number is 3988848?

The H and R Topper Model 88 was manufactured in the United States, and the patent number 3988848 indicates that it was issued on October 26, 1976. Typically, firearms with this patent would have been produced around that time or shortly thereafter. For more precise dating, checking the serial number on the firearm can provide additional information about its specific production year.