Patents
 
 
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PAT. 1 3 EACH U.S. PATENTS FOR THE BLICKENSDERFER TYPEWRITER
INCLUDING ELECTRIC BLICKENSDEEREFER
$12.95

PAT. 2 U.S. PATENT FOR BURROUGHS GLASS SIDE BOOKEEPING MACHINE
$8.95

PAT. 3 4 EACH U.S. PATENTS FOR THE SIMPLEX TYPEWRITER
$9.95

PAT. 4 U.S. PATENT FOR THE SUN TYPEWRITER
$5.95

PAT. 5 4 EACH U.S. PATENT FOR CRANDALL TYPEWRITER
$8.95

PAT. 6 U.S. PATENT FOR DALTON ADDING MACHINE
$8.95

PAT. 7 U.S. PATENT FOR COMPTOMETER. (D.E FELT) CALCULATOR
$8.95

PAT. 8 4 EACH U.S. PATENT FRIDEN CALCULATORS
$11.95

PAT. 9 U.S. PATENT FOR HARRIS TYPEWRITER
$8.95

PAT. 10 3 EACH U.S. FOR PIN WHEEL CALCULATORS
R.H. MARCHANT JR., CARL FRIDEN AND W. ODHNER
$9.95

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