ANTI-SNAP DEVICE FOR DRAFTING BOARD TILTING MECHANISM
A Standard patent application filed on 23 November 1983 credited to Zack, Leonard N.
;
Shelton, Huey G.
Details
Application number :
21609
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
ANTI-SNAP DEVICE FOR DRAFTING BOARD TILTING MECHANISM