Spell, William D. "Portable Charcoal Igniters or Ignition Systems and Apparatus Relating Thereto." U.S. Patent number 4422435. Washington DC: United States Patent and Trademark Office, 1983.
Spell, William D. "Portable Charcoal Igniters or Ignition Systems and Apparatus Relating Thereto." U.S. Patent number 4422435. Washington DC: United States Patent and Trademark Office, 1983.
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identifier
2000075535
created
2013-05-10T11:25:53
license
title
Spell, William D. "Portable Ch ...... nt and Trademark Office, 1983.
shortTitle
Spell, Portable Charcoal Igniters (1983)