IP Library › Granted Patent US 4,540,628
Granted Patent Utility
US 4,540,628 · App. 06/430,242

Hydrophilic sheet and method of making

Inventors: Martin K. Oberdeck, John R. Koza
Patented Case View Patent ↗
Granted: Sep 10, 1985 Filed: Sep 30, 1982
Inventors
Martin K. Oberdeck
John R. Koza
Assignee (at issue)
John R. Koza

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Quick Facts
Patent No.
US 4,540,628
App. No.
06/430,242
Filed
1982-09-30
Granted
1985-09-10
Kind
A