PROPORTIONAL ASSIST Trademark
Serial Number: 74141783 • Registration: 1873219
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
Jeffrey L. Van Hoosear KNOBBE, MARTENS, OLSON & BEAR LLP
2040 Main Street, 14th Floor
IRVINE, CA 92614
UNITED STATES
Trademark Details
Filing Date
February 21, 1991
Registration Date
January 10, 1995
Published for Opposition
June 9, 1992
Cancellation Date
July 25, 2025
Goods & Services
lung ventilator and lung ventilator apparatus to upgrade existing lung ventilator equipment