Ultrasonic bonding of a felt filter to a frame in a hardshell reservoir
A Standard patent application filed on 15 October 1998 credited to Van Driel, Michael R.
Details
Application number :
10932
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Ultrasonic bonding of a felt filter to a frame in a hardshell reservoir