4 Patents
#39 in San Leandro, CA
#13,660 in California
#58,989 in US
Betts Spring Company
Forward Citations = 60
6 inventors:
San Leandro, CA, United States of America
6 inventors (with patents filed for the assignee):
Graylin Patrick Barr (4 out of 4 patents)
William Michael Betts, Iv (2 out of 2 patents)
Jay Henry Ford (2 out of 6 patents)
4. William Michael Betts, V (1 out of 1 patent)
5. Stanley H Day (1 out of 1 patent)
6. Gordon Ray Glenn (1 out of 1 patent)
7. William Michael Betts (0 patent)
4 patents:
#39 in San Leandro, CA
#13,660 in California
#58,989 in US
6 inventors: