IP Library › Granted Patent US 4,454,994
Granted Patent Utility
US 4,454,994 · App. 06/345,733

Load bearing surface

Inventors: Louis W. Johnson, Bruce G. Johnson
Patented Case View Patent ↗
Granted: Jun 19, 1984 Filed: Feb 4, 1982
Inventors
Louis W. Johnson
Bruce G. Johnson

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Quick Facts
Patent No.
US 4,454,994
App. No.
06/345,733
Filed
1982-02-04
Granted
1984-06-19
Kind
A