[Petition of E. P. Torrey and William B. Tilton, for extension of patent for improvement in door-springs.]
Series: S.rp.374
Publisher: [s.n.]
Published: 1873
Place of publication: Washington
Language: eng
Format: Electronic resource
Subjects: Building materials; Patents; Springs (Mechanism)
Notes: Record is based on bibliographic data in LexisNexis U.S. Serial Set Digital Collection (last viewed Dec. 2006). Reuse except for individual research requires license from LexisNexis Academic & Library Solutions

LexisNexis U.S. Serial Set Digital Collection

Electronic resource. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 2004. (LexisNexis U.S. Serial Set Digital Collection : no. 1548 S.rp.374)