IP Library › Granted Patent US 4,831,814
Granted Patent Utility
US 4,831,814 · App. 07/069,423

Pull type swather

Inventors: Kenneth A. Frisk, Irving B. Kardal
Patented Case View Patent ↗
Granted: May 23, 1989 Filed: Jul 2, 1987
Inventors
Kenneth A. Frisk
Irving B. Kardal
Assignee (at issue)
Ford New Holland, Inc.

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Quick Facts
Patent No.
US 4,831,814
App. No.
07/069,423
Filed
1987-07-02
Granted
1989-05-23
Kind
A