▁Jam ul ▁was ▁pat ented ▁to ▁the ▁he irs ▁of ▁Henry ▁S . ▁Bur ton ▁( Mar ía ▁A . ▁Bur ton , ▁and ▁her ▁son , ▁Henry ▁H . ▁Bur ton ▁and ▁daughter , ▁Nell ie ▁Bur ton ▁Ped ror ena ). ▁ ▁The ▁ran cho ▁was ▁used ▁as ▁coll ater al ▁for ▁mort g ages , ▁and ▁numerous ▁claims ▁were ▁file d ▁against ▁the ▁estate ▁and ▁the ▁lit ig ation ▁continued ▁for ▁years . ▁ ▁The ▁estate ▁of ▁Henry ▁S . ▁Bur ton ▁was ▁not ▁settled ▁until ▁ 1 8 9 1 . ▁ ▁The ▁title ▁changed ▁hands ▁repeatedly . ▁ ▁María ▁Bur ton ▁and ▁her ▁son , ▁Henry ▁Bur ton , ▁founded ▁the ▁Jam ul ▁Port land ▁C ement ▁Man ufact uring ▁Company ▁in ▁ 1 8 8 9 ▁but ▁went ▁bank rupt ▁in ▁ 1 8 9 2 . ▁ ▁In ▁ 1 9 1 5 , ▁John ▁D . ▁S pre ck els ▁sold ▁to ▁Ran cho ▁Jam ul ▁to ▁Louis ▁J . ▁Wil de . ▁ ▁See ▁also ▁ ▁References ▁ ▁Jam ul ▁Jam ul ▁Category : E ast ▁County ▁( San ▁Diego ▁County ) ▁Jam ul ▁Jam ul <0x0A> </s> ▁The ▁Techn ical ▁Spec ification ▁for ▁Inter oper ability ▁( T SI ) ▁are ▁specific ations ▁draft ed ▁by ▁the ▁European ▁Railway ▁Agency ▁and ▁adopted ▁in ▁a ▁Dec ision ▁by ▁the ▁European ▁Commission , ▁to ▁ensure ▁the ▁inter oper ability ▁of ▁the ▁trans - Europe an ▁rail ▁system . ▁The ▁inter oper ability ▁issues ▁apply ▁to