Historical Document · 1936
The SIGABA stepping-maze patent application (filed 23 Mar 1936) assigned to the Government for $1 (2 pp)
REF ID:A39742 11 ' ' ,_ ,........ . r· ·-· I · ll.S. ltfO A S S I G N ME N T WHEREAS we, William F. Friedman, of Washington, District et Columbia, and Frank B. Rowlett, of F.ast Falls Church, Arlington County, Virginia, whose address is Care Office of the Chief Signal Officer, Munitions :Building, Washington, D.c., have invented certain improvements in Cryptographs, for which we have made an application tor Letters Patent of the United States, Serial No. 70,412, filed March 23, 1936~ and WHEREAS, the invention was ma.de while we were employees of the War DepartmP.nt, and pertains to a device uaefUl in the National Defense !.•' and I ' I t'HE~..EAS, the Government of the United States is desirous of ac- quiring the entire right, title and interest in and to the said invention and in and to any patents that may issue thereon; ) NOW, THEREFORE, in consideration of the premises and one ($1.00) dollar, the receipt of which is hereby acknowledged, we, William F. Friedman and Frank B. Rowlett, have sold, assigned, and transferred, and by these presents do hereby sell, a~sign, and transfer unto the Government 0f the United States of America, as represented by the Secretary of War, the entire right, title a.nd interest, throughout the United States of America, l'l.nd the territorles and dependencies thereof, a.nd not elsewhere, in and to the E~id invention relating to improvement in Cryptographs, es described, claimed and illustrated in t.e aforesaid application, Serial ~o. 70,412, and all Letters Patent isBUed thereon and ~ny continuations, .... ...: ~l-'t> .t,. ~ pproved for Release by NSA on 11-20-2013 pursuant to E. 0. 13526 . ' REF ID:A39742 ~~--~-~·--·-----------~-~-~;•·r•••a•T"llP'fli1#"·- .~ :.~~fl:~· . : ·-··. .. ·....... ; ' ~, j I 41v1siona, renewals, and reisau.es or extenaions thereof ; reserving to ourselves and legal representatives ~ irrevocable and assignable license, without p&Jlllent of royalty, said license to be exclusive, except as to manufacture, use and / or sale by or for the United States Government. to malat, use u.4/ or aall and to license others to make uae and/ or sell the subJaet m&tter ot said inven'Uor1 relating to improvement in CrJPtographa, to the full end of the term or terms for which Letters Patent or &111' divisions, reissues, renewals, extensions or continuations thereof are or may be granted ; the said entire right, title and interest to be held by the ~vermRent of the United States of .America, a.a represented by the Secretary of War and his successors in office, to the full end of the term or tenna for which satd Letters Paten~ and any divisions, raisaues. renewals or axtenaiona thereof are or may be granted, as fully and entirely as the same would have been held by us bad this assignment and sale not bean made. Swam to &nd n.bocribed b7 the said 7l1 and Frank B. Rowlett before me thia P. Friedman day ot ~~-.,n.:ss. -·· .... )· .· ~.-· R.r .. ~l ~.. ·. Q: . . , : ... ~ -~ .... I · · · ' 1; ': ·• .-: ~ .. - . . •o·· ~- P O·'l ... ~ :,.. ., . . . . . .·,· :, . ·.."'~;~i ... - RECORDED Transfera of Patents D. s. Paamt om.ca Public APR 1 4 1936 C(}~S-t1V~ ~ER~ PATENTS i _,.!