Inventor
William H. Marshall
Inventor
Houston, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis27%
G01MTesting static or dynamic balance of machines or structures20%
A47CChairs7%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body7%
B01DSeparation7%
B09BDisposal of solid waste not otherwise provided for7%
E03BInstallations or methods for obtaining, collecting, or distributing water7%
E03CDomestic plumbing installations for fresh water or waste water7%
E21BEarth or rock drilling7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
7,357,768'Recliner exerciser'20086,158,455'Antifreeze cap for faucet'20005,658,277'Apparatus for electrical connection of glove monitor to patient'19975,389,097'Enhanced monitoring device for surgical gloves and other barriers'19955,114,425'Method and apparatus for detecting actual or likely adulteration of critical use gloves'19924,865,382'Surgeon\'s operating stool'19894,836,302'Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to MARSHALL WILLIAM H (2)· patent assignee history
1989Patents assigned to HEILHECKER JOE K (1)· patent assignee history
1989Patents assigned to WILLIAMS ROBERT E (1)· patent assignee history
1989–2000Based in Houston, TX, US· patent location history
1989Based in Peoria, IL, US· patent location history
1992–1997Patents assigned to NOVATEC MED PROD INC (3)· patent assignee history
2008Patents assigned to MARSHALL WILLIAM (1)· patent assignee history
2008Based in Salem, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NOVATEC MED PROD INC | 3 | 1992–1997 |
| MARSHALL WILLIAM Hself | 2 | 1989 |
| HEILHECKER JOE K | 1 | 1989 |
| MARSHALL WILLIAMself | 1 | 2008 |
| WILLIAMS ROBERT E | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 5 | 1989–2000 |
| Salem, Virginia, US | 1 | 2008 |
| Peoria, Illinois, US | 1 | 1989 |