Michael Grisham — 11 Patents at Activemap

Michael Grisham has been granted 11 US patents while listed as an inventor at Activemap. The first was granted in 1988 and the most recent in April 2025. Michael Grisham ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Michael Grisham in Boulder, CO, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date
12276557	Implementation of a dual Fabry-Perot photonic pressure sensor	Josue Davila-Rodriguez, David A. Lee, Mark Notcutt, Nathaniel Phillips	2025-04-15
11821801	Implementation of a dual Fabry-Perot photonic pressure sensor	Josue Davila-Rodriguez, David A. Lee, Mark Notcutt, Nathaniel Phillips	2023-11-21
10908782	Interactive electronically presented map	Michael T. Abramson, Erika Jakubassa, Geoffrey Eugene Atkin	2021-02-02
10444943	Interactive electronically presented map	Michael T. Abramson, Erika Jakubassa, Geoff Atkin	2019-10-15
10365795	Interactive electronically presented map	Michael T. Abramson, Erika Jakubassa, Geoff Atkin	2019-07-30
9570047	Interactive electronically presented area representation	Michael T. Abramson, Erika Jakubassa, Geoff Atkin	2017-02-14
8468464	Interactive electronically presented map	Michael T. Abramson, Erika Jakubassa, Geoff Atkin	2013-06-18
7555725	Interactive electronically presented map	Michael T. Abramson, Erika Jakubassa, Geoff Atkin	2009-06-30
D323657	Telephone station having a touch-screen display	David C. Danielson, James Joseph Hartmann, David Stowers	1992-02-04
D295411	Combined voice and data terminal or similar article	Gihyun Cho, David F. Prontnicki	1988-04-26
4739128	Thumb-controlled, hand-held joystick	—	1988-04-19

Michael Grisham — 11 Patents

Issued Patents All Time

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