Inventor
David A. Weir
Inventor
Solvang, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis20%
B41KStamps20%
A47LDomestic washing or cleaning10%
A61MDevices for introducing media into, or onto, the body10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
G02BOptical elements, systems or apparatus10%
G05BControl or regulating systems in general10%
LOC1610%
PatentTitleYear
10,973,519System and method for variable velocity surgical instrument20219,770,263'Artificial insemination and vaginal insertion'20176,710,943'Viewer for laser-inscribed diamonds'2004D0480097'Ideal cut diamond symmetry and proportion viewer'2003D0356304'Video display terminal'1995D0323527'Self-inking hand stamp'19924,970,954'Self inking hand stamp'1990D0306064'Convection blower or similar article for use in an electric oven'19904,782,552'Upright vacuum cleaner'19884,735,143'Adjustable stamping device'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to PHOENIX ENDEAVOUR INC (1)· patent assignee history
1988Patents assigned to RICCAR AMERICA COMPANY (1)· patent assignee history
1988–1990Based in Santa Ynez, CA, US· patent location history
1990Patents assigned to HEWITT RICHARD E (1)· patent assignee history
1990–1995Based in Solvang, CA, US· patent location history
1992Patents assigned to PORELON (1)· patent assignee history
2003–2004Based in Thousand Oaks, CA, US· patent location history
2017Based in Camarillo, CA, US· patent location history
2021Patents assigned to INTUITIVE SURGICAL OPERATIONS (1)· patent assignee history
2021Based in San Carlos, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWITT RICHARD E | 1 | 1990 |
| INTUITIVE SURGICAL OPERATIONS | 1 | 2021 |
| PHOENIX ENDEAVOUR INC | 1 | 1988 |
| PORELON | 1 | 1992 |
| RICCAR AMERICA COMPANY | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Solvang, California, US | 3 | 1990–1995 |
| Thousand Oaks, California, US | 2 | 2003–2004 |
| Santa Ynez, California, US | 2 | 1988–1990 |
| San Carlos, California, US | 1 | 2021 |
| Camarillo, California, US | 1 | 2017 |