William J. Seim has been granted 13 US patents while listed as an inventor at 3M . The first was granted in 1982 and the most recent in June 1990. William J. Seim ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list William J. Seim in Roseville, MN, US.
Patents per Year Patents granted per year, 1982 to 1990 Bar chart with a peak of 5 patents in 1983. peak 5 1982: 1 patents 1982 1983: 5 patents 1983 1984: 1 patents 1984 1987: 1 patents 1987 1988: 1 patents 1988 1989: 3 patents 1989 1990: 1 patents 1990
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
D308628 Telecommunication service wire connector Mark D. Sorlien , Manuel Filreis 1990-06-19
4857672 Cable closure end cap Kenneth D. Rebers , Dean C. Krenz 1989-08-15
$3,926,000
4822954 Cable closure end cap Kenneth D. Rebers 1989-04-18
$3,457,000
4810829 Cable closure Mark M. Rutenbeck , Kenneth D. Rebers 1989-03-07
$11,408,000
4767893 Cable closing James H. Ball 1988-08-30
$10,508,000
4657321 Telecommunication service wire connector Mark D. Sorlien , Manuel Filreis 1987-04-14
$7,956,000
4423918 Re-enterable service wire splice closure Manuel Filreis 1984-01-03
$12,538,000
D267943 Conical double end cap for use with a cable splice case Ronald C. Houts 1983-02-15
D267640 Conical single end cap for use with a cable splice case Ronald C. Houts 1983-01-18
D267641 Conical single end cap for use with a cable splice case Ronald C. Houts 1983-01-18
D267642 Conical double end cap for use with a cable splice case Ronald C. Houts 1983-01-18
D267643 Conical triple end cap for use with a cable splice case Ronald C. Houts 1983-01-18
D265549 Shipping enclosure for connectorized cable Ronald C. Houts 1982-07-27
