HOWELL INSTRUMENTS, INC. Trademarks
TAKCAL
Filed: April 30, 1957
FREQUENCY DETECTING AND/OR MEASURING DEVICES
Owned by: HOWELL INSTRUMENTS, INC.
Serial Number: 72029133
AUTOTEMP
Filed: April 1, 1960
Apparatus for Measuring and/or Indicating Temperatures
Owned by: HOWELL INSTRUMENTS, INC.
Serial Number: 72094135
JEM
Owned by: HOWELL INSTRUMENTS, INC.
Serial Number: 81014045
JEM
Owned by: HOWELL INSTRUMENTS, INC.
Serial Number: 81014046