U.S. Patent Certificate of Correction - Patent #3,223,620 – Corrosion Inhibition (Photocopy), 1965
File — Box: 2, Folder: 44
Dates
- Creation: 1965
Repository Details
Part of the Science History Institute Archives Repository
Contact:
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
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315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org