Title:
Luminous attachment for door knobs
Document Type and Number:
United States Patent 2566490

Inventors:
Bernard, Heinz
Publication Date:
09/04/1951
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login  or  Create Account (Free!)
Referenced by:
View patents that cite this patent
Export Citation:
Click for automatic bibliography generation
Assignee:
Bernard, Heinz
Primary Class:
250/465.100
International Classes:
E05B17/10; E05B17/00
US Patent References:
0273685
1389941Self-luminous marker for wall-switches and like objects
2188264Self-luminous keyhole locator
2453272Combined magnifier and telephone dialing implement


<- Previous Patent (Device for handling ...)   |   Next Patent (Antenna construction) ->