CG

Calvin Griggs

RM Richards Mfg.: 3 patents #5 of 15Top 35%
RM Richards Medical: 2 patents #10 of 51Top 20%
Overall (All Time): #592,804 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4811736 Surgical drill and bur for use therewith J. C. Horn 1989-03-14
4641640 Compression screw assembly 1987-02-10
4617922 Compression screw assembly 1986-10-21
4616638 Compression screw assembly 1986-10-14
4530355 Compression screw assembly 1985-07-23
4510627 Ossicular prosthesis Harry T. Treace 1985-04-16
D276937 Myringotomy tube 1984-12-25
4292693 Locking bail stapedial prosthesis John J. Shea 1981-10-06
4263903 Medical staple means 1981-04-28