SI
Filed: September 11, 1979
Pressure Responsive Gauges and Controllers
Owned by: Span Instruments, Inc.
Serial Number: 73230925
SPAN INSTRUMENTS SI
Filed: June 30, 1986
INDUSTRIAL PRESSURE GAUGES AND SWITCHES
Owned by: Span Instruments, Inc.
Serial Number: 73607167
THRU TUBE
Filed: October 11, 1990
pressure transducers
Owned by: Span Instruments, Inc.
Serial Number: 74104995
LASER FILM TECHNOLOGY
Filed: November 22, 1991
pressure transducers
Owned by: Span Instruments, Inc.
Serial Number: 74224437
SITRAX
Filed: June 29, 1993
computer software for monitoring the flow of gases in semiconductor manufacturing processes
Owned by: Span Instruments, Inc.
Serial Number: 74407111
S
Filed: June 27, 1995
pressure responsive instruments, controllers, and software for semi-conductor manufacturing
Owned by: Span Instruments, Inc.
Serial Number: 74694580
