Title:
SIGNATURE IDENTIFICATION INSTRUMENT
Document Type and Number:
United States Patent 3480911

Inventors:
Danna, Salvatore R.
      Plaque It!

Sponsored by:
Flash of Genius
Publication Date:
11/25/1969
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login  or  Create Account (Free!)
Assignee:
CONETTA MFG CO INC
Primary Class:
Other Classes:
377/19, 73/862.541, 73/865.400, 340/5.810, 178/18.010
International Classes:
G07C9/00; G01L3/24; G01D1/00; G01L1/18
US Patent References:
2301197Measuring instrument
3112362Written character digitizer
3145367Character recognition circuit
3262054Measuring apparatus and method for determining the duration of the application of pressure in a rotary press
3275808Correlating time and event recorder
3284790Electrical timing circuit
3199078Character identification device




<- Previous Patent (PULSE VALUE DETERMIN...)   |   Next Patent (SOUND LEVEL VISUAL I...) ->