David W. Macomber has been granted 10 US patents while listed as an inventor at 3M . The first was granted in 1993 and the most recent in April 1998. David W. Macomber ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David W. Macomber in Windom, MN, US.
Patents per Year Patents granted per year, 1993 to 1998 Bar chart with a peak of 2 patents in 1993. peak 2 1993: 2 patents 1993 1994: 2 patents 1994 1995: 1 patents 1995 1996: 2 patents 1996 1997: 2 patents 1997 1998: 1 patents 1998
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
5741620 Reactive polymeric dyes Gary L. Holmes , Terrance P. Smith , Mahfuza B. Ali 1998-04-21
$23,076,000
5663024 Liquid toners with hydrocarbon solvents Terrance P. Smith , S. Prabhakara Rao 1997-09-02
$15,541,000
5599886 Liquid toners with hydrocarbon solvents Terrance P. Smith , S. Prabhakara Rao 1997-02-04
$17,888,000
5532111 Reactive polymeric dyes Gary L. Holmes , Terrance P. Smith , Mahfuza B. Ali 1996-07-02
$13,622,000
5521271 Liquid toners with hydrocarbon solvents Terrance P. Smith , S. Prabhakara Rao 1996-05-28
$8,149,000
5461155 Organic soluble metal-azo and metal-azomethine dyes Terrance P. Smith 1995-10-24
$6,289,000
5362812 Reactive polymeric dyes Gary L. Holmes , Terrance P. Smith , Mahfuza B. Ali 1994-11-08
$6,102,000
5314998 Organic solvent-soluble metal-azo and metal-azomethine dyes Terrance P. Smith 1994-05-24
$6,450,000
5256784 Nonlineaphores and polymers incorporating such nonlineaphores Cecil V. Francis , Elisa M. Cross , Roberta E. Harelstad , Paul F. Korkowski , Peter C. Leung +1 more 1993-10-26
$8,959,000
5180705 Transfer imaging using metal-azo and metal-azomethine dyes Terrance P. Smith , Jeffrey C. Chang , Linda K. Williams 1993-01-19
$14,267,000
