Patent Assignment
Reel/Frame 007181/0221
Assignment of Assignor's Interest
Recorded: 1994-10-11
Pages: 4
Assignor
SMITH, EDWARD H.
Executed: 1994-10-11
Assignee
TYLER PIPE INDUSTRIES, INC.
P.O. BOX 2027, TYLER, TEXAS, 75710
Covered Property
(1)
Method and Apparatus for Treatment of Contaminated Water Using Waste Shot Blast Fines
Patent:
5,647,991 →
Application:
08/320,866 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.