Glen Baker has been granted 5 US patents while listed as an inventor at Flowmole . The first was granted in 1987 and the most recent in January 1990. Glen Baker ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Glen Baker in Kent, WA, US.
Patents per Year Patents granted per year, 1987 to 1990 Bar chart with a peak of 3 patents in 1989. peak 3 1987: 1 patents 1987 1989: 3 patents 1989 1990: 1 patents 1990
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
4896733 Technique for providing an underground tunnel utilizing a powered boring device Albert W. Chau , James A. Fikse , John E. Mercer 1990-01-30
$641,000
4867255 Technique for steering a downhole hammer Dmitry Feldman , Shiu S. Ng , Albert W. Chau , John E. Mercer 1989-09-19
$625,000
4856600 Technique for providing an underground tunnel utilizing a powered boring device Albert W. Chau , James A. Fikse , John E. Mercer 1989-08-15
$449,000
4821815 Technique for providing an underground tunnel utilizing a powered boring device Albert W. Chau , James A. Fikse , John E. Mercer 1989-04-18
$298,000
4714118 Technique for steering and monitoring the orientation of a powered underground boring device Albert W. Chau , John E. Mercer 1987-12-22