TRI-ANGLE T C COMPUTER WITH NEW EXPONENTS

Mark Identification

TRI-ANGLE T C COMPUTER WITH NEW EXPONENTS

Serial Number

72298766

Filing Date

May 21, 1968

Registration Date

Nov 11, 1969

Trademark by

TRIGONOMETRICAL COMPUTERS CO.

Classification Information

DISC HAND WHEEL DIAL TRIGONOMETRICAL COMPUTERS

BUTTERFLY VALVES PLAST-A-VANE BY V.A.C.