Patent Assignment
Reel/Frame 004057/0915
Assignment of Assignors Interest.
Recorded: 1982-10-28
Pages: 2
Assignor
DAWLESS, ROBERT K.
Executed: 1982-10-22
Assignee
ALUMINUM COMPANY OF AMERICA
A CORP OF PA, PITTSBURGH, PENNSYLVANIA
Covered Property
(1)
Silicon Purification Method Using Copper or Copper-Aluminum Solvent Metal
Patent:
4,822,585 →
Application:
06/374,931 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.