SMART DRAINAGE SYSTEM
Filed: March 15, 2004
Agricultural machines, namely, automatic water flow control machines for use in conjunction with drainage tile lines
Owned by: CHARLES J. SCHAFER REVOCABLE TRUST
Serial Number: 76580921
CLEAN WATER COMMUNITY CHALLENGE
Filed: May 13, 2011
Promoting public awareness of the need for and method of improving the quality of water available for public use and consumption…
Owned by: CHARLES J. SCHAFER REVOCABLE TRUST
Serial Number: 85320218
VARIABLE RATE DRAINAGE
Filed: October 24, 2012
Agricultural machines, namely, automatic water flow control machines for use in conjunction with drainage tile lines
Owned by: CHARLES J. SCHAFER REVOCABLE TRUST
Serial Number: 85762327
THE ROUNDGUY
Filed: May 30, 2013
Agricultural machines, namely, water level control machines for use in water drainage tile lines
Owned by: CHARLES J. SCHAFER REVOCABLE TRUST
Serial Number: 85946192
SMART STORAGE
Filed: July 1, 2015
Water management design services, namely, the design and construction of a management system for conserving water
Owned by: CHARLES J. SCHAFER REVOCABLE TRUST
Serial Number: 86680213
DWM RX DRAINAGE WATER MANAGEMENT
Filed: November 5, 2020
Downloadable software for viewing valve status, water level, flow rates and battery level of a valve in an agricultural…
Owned by: CHARLES J. SCHAFER REVOCABLE TRUST
Serial Number: 90300326
