Calculator

Details Calculator Calculator

1992-04-17

1994-01-11

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Calculator

D18 2, D10 71

Patent

active

D03431878

REFERENCES:
patent: D161913 (1951-02-01), Fraim
patent: D245109 (1977-07-01), Yoshioka
patent: D283493 (1986-04-01), Li
patent: D283515 (1986-04-01), Li
patent: D284387 (1986-06-01), Li
patent: D286161 (1986-10-01), Wong
A sales description of a calculator/pagefinder from Exec-u-calc, date unknown.
A sales description of a calculator/pagefinder from Tronica Electronic Engineering Co., Ltd., Item Nos. 515-2, 515-3, and 515-22 date unknown.
A sales description of a calculator/pagefinder from Fortune, date unknown.
A sales description of a calculator/pagefinder from Exact Grow Electronics Limited, Item No. EG854, p. 159 (Apr. 1990).
A sales description of a calculator/pagefinder from Tronica Electronic Engineering Co., Ltd., Item No. FC 515-3, p. 284, (Apr. 1990).
A sales description of a calculator/pagefinder from Signatures, Item No. 12-13882-2, (1991).
A sales description of a calculator/pagefinder from Day-Timers, Item Nos. 90558 and 90758, p. 59, date unknown.
A sales description of a calculator/pagefinder from Ewig Industries Co. Ltd., Item No. JC14, p. 157, (Apr. 1990).
A sales description of a calculator/pagefinder from Exact Grow Limited, Item No. EG853, date unknown.

Affiliated with

Also associated with

Rating

Calculator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Calculator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calculator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1622315