IP Library › Granted Patent US 4,874,640
Granted Patent Utility
US 4,874,640 · App. 07/141,592

Impact absorbing composites and their production

Inventor: Byron A. Donzis
Patented Case View Patent ↗
Granted: Oct 17, 1989 Filed: Jan 7, 1988
Inventor
Byron A. Donzis

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Quick Facts
Patent No.
US 4,874,640
App. No.
07/141,592
Filed
1988-01-07
Granted
1989-10-17
Kind
A