Douglas C. Fletcher

Person

Peoria, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic water sprinkler timer
- Patent number 4,858,827
- Issue date Aug 22, 1989
- L. R. Nelson Corporation
- Douglas C. Fletcher
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Timer-controlled valve for a lawn sprinkler
- Patent number D295890
- Issue date May 24, 1988
- L. R. Nelson Corporation
- Kenneth J. Bruninga
- D23 - Environmental heating and cooling
Information Patent Grant
Timer for a lawn sprinkler controller
- Patent number D295778
- Issue date May 17, 1988
- L. R. Nelson Corporation
- Kenneth J. Bruninga
- D23 - Environmental heating and cooling
Information Patent Grant
Lawn sprinkler controller-timer with cover
- Patent number D295779
- Issue date May 17, 1988
- L. R. Nelson Corporation
- Kenneth J. Bruninga
- D23 - Environmental heating and cooling
Information Patent Grant
Electronic water sprinkler timer
- Patent number 4,722,478
- Issue date Feb 2, 1988
- L. R. Nelson Corporation
- Douglas C. Fletcher
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sprinkler controller which computes sprinkler cycles based on input...
- Patent number 4,646,224
- Issue date Feb 24, 1987
- L. R. Nelson Corporation
- David P. Ransburg
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Quick disconnect mounted programming means for sprinkler
- Patent number 4,592,505
- Issue date Jun 3, 1986
- L. R. Nelson Corporation
- Kenneth J. Bruninga
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Douglas C. Fletcher

Person

Patents Grantslast 30 patents

Electronic water sprinkler timer

Timer-controlled valve for a lawn sprinkler

Timer for a lawn sprinkler controller

Lawn sprinkler controller-timer with cover

Electronic water sprinkler timer

Sprinkler controller which computes sprinkler cycles based on input...

Quick disconnect mounted programming means for sprinkler