Inventor
Michael D. Grissom
Inventor
State College, PA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B64Cprimary
B64CAeroplanes15%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers15%
A47BTables8%
A47CChairs8%
B05BSpraying apparatus8%
F04DNon-positive-displacement pumps8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere8%
G10KSound-producing devices8%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management8%
PatentTitleYear
9,816,529'Propeller sound field modification systems and methods'20179,394,045'Propeller sound field modification systems and methods'20168,622,230'Resealable container having frangible portion and hinged top'20148,215,513'Self-closing resealable can end'20126,129,947'Powder duster'20005,165,636'Stabilizing support terminus'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2014Patents assigned to GRISSOM MICHAEL D (3)· patent assignee history
1992Based in Raleigh, NC, US· patent location history
2000Based in Cary, NC, US· patent location history
2012Patents assigned to POPSEAL LLC (1)· patent assignee history
2012–2014Based in Morrisville, NC, US· patent location history
2016Patents assigned to KCF TECHNOLOGIES INC (1)· patent assignee history
2016–2017Based in State College, PA, US· patent location history
2017Patents assigned to KCF TECH INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRISSOM MICHAEL Dself | 3 | 1992–2014 |
| KCF TECH INC | 1 | 2017 |
| KCF TECHNOLOGIES INC | 1 | 2016 |
| POPSEAL LLC | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| State College, Pennsylvania, US | 2 | 2016–2017 |
| Morrisville, NC, US | 2 | 2012–2014 |
| Cary, NC, US | 1 | 2000 |
| Raleigh, NC, US | 1 | 1992 |