Information selector
United States Patent 3412933
US Patent References:
/1732983.html
- - 1732983

Tabular chart selector
- - 2480228

/2605048.html
- - 2605048

/3005586.html
- - 3005586

Catamenial indicators
- - 3082947


Inventors:
Woodward Jr., Fred W.
Publication Date:
11/26/1968
View Patent Images:
Download PDF 3412933 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
235/89R
International Classes:
B28C7/02; B28C7/00




<- Previous Patent (Punch interposer arr...)   |   Next Patent (Thermostatic control...) ->