U.S. Patent Application #397,929 – Emulsion, 1941-1942, undated
File — Box: 7, Folder: 13
Dates
- Creation: 1941-1942, undated
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)
reference@sciencehistory.org
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org