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Patent papers, 1864-1927

 File — Box: 16, Folder: 103
Accession: 0501Identifier: 0501-IV.

Dates

  • Creation: 1864-1927

Scope and Contents

Includes:

  • For an improvement in metallic kegs, 1864-1869
  • Original and two copies of patent taken out by Lammot du Pont for an improvement in Plates for Pressing Gunpowder, 1865
  • By Henry Julius Smith, other than blasting apparatus, 1865-1873
  • For the manufacture of improved gunpowder, 1868-1873
  • Taken out by H. Julius Smith for an electric blasting apparatus, 1868-1927
  • By Theodore Hawley, regarding improvements in Reversible Self attaching Lap Ropes, 1887
  • Physical Description

    53 items.

    Physical Storage Information

    Select the link below to view all items in this container

    Extent

    From the Collection: 14.3 Linear Feet

    Language of Materials

    From the Collection: English

    From the Collection: French

    Additional Description

    Access Restrictions

    This collection is open for research.

    Related Names

    Creator

    Repository Details

    Repository Details

    Part of the Manuscripts and Archives Repository

    Contact:
    PO Box 3630
    Wilmington Delaware 19807 USA
    302-658-2400