(a) US patent no.5650X, (held jointly with Job White: White & Quimby), dated 12 September 1829, for a "Circular Sawing Machine"
(a later patent, lodged by Job White, US patent no.16157, dated 2 December 1856, for a "Method of Applying Steam to and of Cutting Scarfs from Wood" refers to this earlier patent);
(b) US patent no.9679X, (held by P. Quimby), dated 23 May 1836, for a "Permutation Lock"; and
(c) US patent no.7197, (held by P.P. Quimby), dated 19 March 1850, for a "Steering Apparatus… a new and useful machine for Steering Ships and Steamboats".
