DSC
Filed: April 2, 1971
ELECTRONIC STRAIN GAUGE
Owned by: DSC INCORPORATED
Serial Number: 72388259
STABLEASE
Filed: September 25, 1989
ADDITIVE FOR OIL WELL DRILLING FLUID
Owned by: DSC INCORPORATED
Serial Number: 73827254
SHEAREASE
Filed: March 19, 1990
additives for oil well drilling fluids
Owned by: DSC INCORPORATED
Serial Number: 74039311
VISCEASE
Filed: April 2, 1990
additives for oil well drilling fluids
Owned by: DSC INCORPORATED
Serial Number: 74045230
THINEASE
Filed: July 30, 1990
additives for oil well drilling fluids
Owned by: DSC INCORPORATED
Serial Number: 74083218
SHEAREASE
Filed: November 25, 1991
additives for oil well drilling fluids
Owned by: DSC INCORPORATED
Serial Number: 74225320
SLUG-GO
Filed: February 10, 1992
additives for oil well drilling fluids
Owned by: DSC INCORPORATED
Serial Number: 74244952
SPOTEASE
Filed: June 14, 1993
lubricant additives for use in oil well drilling fluids
Owned by: DSC INCORPORATED
Serial Number: 74401544
SQUEAK-EZE
Filed: May 27, 1994
low friction, low temperature household lubricant
Owned by: DSC INCORPORATED
Serial Number: 74530338
BOREASE
Filed: February 27, 1998
non-chemical lubricant additives for shallow boring and tunneling operations
Owned by: DSC INCORPORATED
Serial Number: 75442241
