INPADOC Patent Family US4309773
Publication No.
Publication date
Filing No.
Priority
Status
US4309773A
1982-01-05
US14170380A
US14170380A 19800418
Expired
INPADOC Legal Status
US4309773A (Expired)
1982-01-13
INFORMATION ON STATUS: PATENT GRANT
Free Format Text PATENTED CASE
Updated on July 22, 2019
