Subseries C - Patents, 1950-1972

Patent documents for jettisonable fuel tanks (2,764,374), designed by Roy H. Anderson, William H. Cook, Jr., and David L. Dunn, September 25, 1956. Includes a written description of the mechanism, diagrams, and a list of related patents. Seventeen…

Patent documents for an airfoil control apparatus responsive to aircraft speed (patent no. 2,696,355), filed by Thorvold H. Larson, John D. Mayer, Calvin E. Pfafman, William H. Cook Jr., and John F. Kirkbride, December 7, 1954. Includes a written…

Patent documents for an airplane yaw damper (patent no. 2,672,307), designed by William H. Cook, Jr., Calvin E. Pfafman, and George S. Schairer, March 16, 1954. Includes a written description of the mechanism, diagrams, and a list of related patents.…

Patent documents for an airplane flap control mechanism (patent no. 2,620,147), designed by Van B. Butler and William H. Cook, Jr., December 2, 1952. Includes a written description of the mechanism, diagrams, and a list of related patents. Seven (7)…