Michael C. Putrow has been granted 11 US patents while listed as an inventor at Snap-On Tools . The first was granted in 1989 and the most recent in March 1994. Michael C. Putrow ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Michael C. Putrow in Kenosha, WI, US.
Patents per Year Patents granted per year, 1989 to 1994 Bar chart with a peak of 5 patents in 1993. peak 5 1989: 4 patents 1989 1990: 1 patents 1990 1993: 5 patents 1993 1994: 1 patents 1994
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
5296869 Digital engine analyzer Gary Jonker , Craig F. Govekar , Michael B. Meeker , James R. Piehl , John C. Sniegowski 1994-03-22
$4,256,000
5258753 Digital engine analyzer Gary Jonker , Craig F. Govekar , Michael B. Meeker , James R. Piehl , John C. Sniegowski 1993-11-02
$4,190,000
5250935 Waveform peak capture circuit for digital engine analyzer Gary Jonker , Craig F. Govekar , Michael B. Meeker , James R. Piehl , John C. Sniegowski 1993-10-05
$4,008,000
5247287 Digital engine analyzer Gary Jonker , Craig F. Govekar , Michael B. Meeker , James R. Piehl , John C. Sniegowski 1993-09-21
$2,528,000
5245324 Digital engine analyzer Gary Jonker , Craig F. Govekar , Michael B. Meeker , James R. Piehl , John C. Sniegowski 1993-09-14
$8,517,000
D335093 Digital oscilloscope Robert J. Holmen , Larry D. Pacetti , Theodore J. Caron , Thomas J. Green , David R. Ellingen +1 more 1993-04-27
4980845 Digital engine analyzer Craig F. Govekar 1990-12-25
4851833 Digital engine analyzer Leonard Wisneski , Craig F. Govekar , Gary Jonker , Gordon Lindhard , Dennis W. Weidenbenner +1 more 1989-07-25
$7,496,000
4849744 Digital engine analyzer Craig F. Govekar 1989-07-18
$5,230,000
4804921 Digital engine analyzer Leonard Wisneski , Craig F. Govekar , Gary Jonker , Gordon Lindhard , Dennis W. Weidenbenner +1 more 1989-02-14
$8,765,000
4800378 Digital engine analyzer Leonard Wisneski , Craig F. Govekar , Gary Jonker , Gordon Lindhard , Dennis W. Weidenbenner +1 more 1989-01-24
$8,959,000