▁January ▁ 2 0 , ▁ 2 0 0 9 . ▁Before ▁that , ▁D oll ▁was ▁Commission er ▁for ▁Pat ents ▁at ▁the ▁US P TO . ▁He ▁joined ▁the ▁Pat ent ▁and ▁Tra dem ark ▁Office ▁in ▁ 1 9 7 4 . ▁ ▁References ▁ ▁External ▁links ▁ ▁John J D oll . com ▁- ▁Pat ent ▁Cons ult ing ▁Website ▁ ▁Biography ▁on ▁the ▁US P TO ▁web ▁site ▁ ▁P TO ▁Today ▁July / August ▁ 2 0 0 1 ▁▁ ▁Category : Place ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : L iving ▁people ▁Category : Under ▁Secret aries ▁of ▁Com merce ▁for ▁Intel lect ual ▁Property <0x0A> </s> ▁Great ▁Northern ▁Fre ight ▁W are house ▁is ▁a ▁red ▁brick ▁w are house ▁in ▁F argo , ▁North ▁Dak ota ▁that ▁was ▁listed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁ 1 9 9 0 . ▁ ▁It ▁was ▁built ▁in ▁ 1 9 0 2 ▁and ▁later ▁expanded , ▁in ▁Chicago ▁and / or ▁Com mer cial ▁Style ▁architecture ▁style . ▁ ▁It ' s ▁significant ▁for ▁its ▁history ▁and ▁for ▁its ▁architecture . ▁ ▁The ▁building ▁is ▁long ▁and ▁narrow , ▁about ▁ ▁in ▁plan . ▁ ▁The ▁eastern ▁end ▁is ▁a ▁two - story ▁ ▁section ▁built ▁in ▁ 1 9 2 3 , ▁probably ▁replacing ▁an ▁office ▁section ▁of ▁the ▁original ▁ 1 9 0 2 ▁building , ▁which