Drilldown: Patents

Choose a table:

Patents > Company

: Tektronix Inc

or Triquint Semiconductors, Inc.

or Zeelan Technology, Inc.

& Grant date: 1990 - 1999

: Patent US 2280531A

or Patent US 3293474A

or Patent US 3689752A

or Patent US 4048577A

or Patent US 4150420A

or Patent US 4255003A

Use the filters below to narrow your results.

Other values:

None (1) · 1985 (2) · 1986 (9) · 1987 (16) · 1988 (41) · 1989 (90) · 1990 (12) · 1991 (14) · 1992 (8) · 1993 (9) · 1994 (9) · 1995 (6) · 1996 (5) · 1997 (5)

1990 (91) · 1991 (47) · 1992 (26) · 1993 (21) · 1994 (5) · 1995 (17) · 1996 (5) · 1997 (4) · 1998 (5) · 1999 (6)

Showing below up to 227 results in range #1 to #227.