rothchild: i'll refer that to dr. cole. dr. cole: we had a couple of reservations on the staff, some of the models may be restored. interestlightly in the of not over restoring, and not attempting to remove some of the original qualities. as we continue to unpack them and work our way through them, we will have that discovery. mr. rothchild: thank you. with the end of the requirement for patent models, is there any that itthat indicates cause any kind of a problem with the approval or issuance or the understanding of the concepts are the patent examiners yuriko was there any material affect with the end of the model iquirement you go dr. cole: do not know of any. i've never seen any written about that. i think that it basically probably became overwhelming, the number of patents became a geometric each year, almost from the very beginning. time itink that by that is mention in 1870, the patent offices had more models, they were still turned in during a great number until 1880, the patent office said we really do not want any mor

at this time, i would like to cole,uce dr. david executive director of the ackley which isd library, located in wilmington, delaware. he has written and afterward in t's next?""what [applause] cole: can you hear me? very good. you just heard quite a story. you have actually heard two stories. is thest story you told story of american innovation, how the u.s. patent system developed, and how the models became the signal artifacts in the evolution of innovation in the 19th century. it's an exciting story full of fantastic artifacts, ideas, brilliant inventions, and inventories, but it's also a checkered history, punctuated by events, to sad terrible fires, and then a rather dismal history for the models beginning in the late 19th century and into the early 20th century when sadly they were neglected and therefore value as visual records of american innovation in what some consider the golden age of innovation in this country was sadly ignored and even lost. then you heard another story, and it's a better story, and it's a story a

dr. michael fallon, chief ved naer m veterinary officer at the u.s. department of veterans affairs. mr. rory diamond, executive director of canines for warriors. mr. cole lyle, a u.s. marine veteran who has post traumatic stress. and mr. steve feldman, executive director of the human animal bond research initiative foundation. welcome to you all. pursuant to committee rules, all witnesses will be sworn in before they testify. if you please rise and raise your right hands. do you solemnly swear the testimony you are about to give will be the truth, the whole truth, and nothing but the truth so help you god? thank you. please be seated. all witnesses answered in the affirmative. in order to allow time for discussion, please limit your testimony to five minutes. your entire written statement will be made part of the record. dr. fallon, you are recognized for five minutes. >> good afternoon, chairman. ranking member lynch and members of the subcommittee, thank you for the opportunity to update the committee on progress in the va ptsd service dog study which pairs veterans with pts with service dogs. i am accompanied today to my right by dr. patricia dora.