Richard A. Vander Ploeg

Follow

Person

Glendora, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Trickle irrigator
- Patent number 3,954,223
- Issue date May 4, 1976
- Rain Bird Sprinkler Mfg., Corporation
- William J. Wichman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...