Inventor
Dietrich W. Grabis
Inventor
San Rafael, CA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body18%
Y10TTechnical subjects covered by former us classification18%
C02FTreatment of water, waste water, sewage, or sludge9%
C12MApparatus for enzymology or microbiology9%
H01JElectric discharge tubes or discharge lamps9%
H04NPictorial communication, e.g. television9%
H05KPrinted circuits9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
6,736,794'Method and device to protect syringes and similar medical instruments'20046,322,540'Safe needle device for syringe'20015,894,192'Non-mesh conforming filter for a video display unit'19994,918,535'Television projection system'19904,825,090'Shielding membrane'19894,394,136'System for recovering methane gas from liquid waste'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to UNITED INTERNATIONAL CALIFORNI (1)· patent assignee history
1983–2004Based in San Rafael, CA, US· patent location history
1989–1999Patents assigned to GRABIS DIETRICH W (2)· patent assignee history
1990Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2001Patents assigned to INTERNAT TECHNOLOGY GROUP (1)· patent assignee history
2004Patents assigned to ITG INTERNAT TECHNOLOGY GROUP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRABIS DIETRICH Wself | 2 | 1989–1999 |
| BOSCH GMBH ROBERT | 1 | 1990 |
| INTERNAT TECHNOLOGY GROUP | 1 | 2001 |
| ITG INTERNAT TECHNOLOGY GROUP | 1 | 2004 |
| UNITED INTERNATIONAL CALIFORNI | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Rafael, California, US | 6 | 1983–2004 |