hello,I am trying to find some info on an old S&W pistol that my Dad has,I havent seen the pistol as I live 3 states away from him. here is what I got over the phone from him. Pat. dates apr 9 89, dec 17 01,mar 7 04 july 15 05, aug 4 06 and may 4 08.serial # 88501 4 inch barrel, 6 shot 38 s&w...