Donald L. Korthuis

Person

Lynden, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Harvesting systems and methods
- Patent number 6,070,402
- Issue date Jun 6, 2000
- Korvan Industries, Inc.
- Donald L. Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Beater rod assembly and method for a mobile harvesting machine
- Patent number 5,666,796
- Issue date Sep 16, 1997
- Korvan Industries, Inc.
- Donald L. Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Raisin harvesting apparatus and method
- Patent number 5,660,033
- Issue date Aug 26, 1997
- Korvan Industries, Inc.
- Donald L. Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Crop beater method and apparatus
- Patent number 5,027,593
- Issue date Jul 2, 1991
- Korvan Industries, Inc.
- Scott Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Apparatus and method for adjusting a harvester to an oblique profil...
- Patent number 4,974,404
- Issue date Dec 4, 1990
- Donald L. Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Crop harvester aggregating apparatus
- Patent number 4,972,662
- Issue date Nov 27, 1990
- Donald L. Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Apparatus for dislodging and collecting produce from upstanding crops
- Patent number 4,750,322
- Issue date Jun 14, 1988
- Korvan Industries, Inc.
- Donald L. Korthuis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Donald L. Korthuis

Person

Patents Grantslast 30 patents

Harvesting systems and methods

Beater rod assembly and method for a mobile harvesting machine

Raisin harvesting apparatus and method

Crop beater method and apparatus

Apparatus and method for adjusting a harvester to an oblique profil...

Crop harvester aggregating apparatus

Apparatus for dislodging and collecting produce from upstanding crops