IP Library › Granted Patent US 5,190,398
Granted Patent Utility
US 5,190,398 · App. 07/667,914

Apparatus for preparing a road bed

Inventor: George W. Swisher, Jr.
Patented Case View Patent ↗
Granted: Mar 2, 1993 Filed: Mar 12, 1991
Inventor
George W. Swisher, Jr.

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Quick Facts
Patent No.
US 5,190,398
App. No.
07/667,914
Filed
1991-03-12
Granted
1993-03-02
Kind
A