Inventor
Michael W. Hamilton
Inventor
West Harrison, IN, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons53%
A47CChairs13%
Y10TTechnical subjects covered by former us classification13%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%
LOC247%
PatentTitleYear
7,610,638'Hospital bed'20097,036,166'Hospital bed'20066,781,517'Communication and bed function control apparatus'20046,681,577'Method and apparatus for relieving stress in a combustion case in a gas turbine engine'20046,658,132'Waterproof cover for housing in hospital bed containing speaker or electronic components'20036,622,364'Method for making a bed siderail apparatus'20036,486,792'Communication and bed function control apparatus'20026,240,580'Extruded side rail apparatus'2001D0389917'Housing for a surgical table surface controller'19985,226,187'Foot section for birthing bed'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2001Patents assigned to HILL ROM CO INC (3)· patent assignee history
1993–2009Based in West Harrison, IN, US· patent location history
2002–2009Patents assigned to HILL ROM SERVICES INC (5)· patent assignee history
2004Patents assigned to GEN ELECTRIC (1)· patent assignee history
2004Based in West Chester, OH, US· patent location history
2006Patents assigned to HIL ROM SERVICE INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HILL ROM SERVICES INC | 5 | 2002–2009 |
| HILL ROM CO INC | 3 | 1993–2001 |
| GEN ELECTRIC | 1 | 2004 |
| HIL ROM SERVICE INC | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Harrison, IN, US | 9 | 1993–2009 |
| West Chester, OH, US | 1 | 2004 |