Inventor
Edward H. Weitzen
Inventor
Lawrence, NY, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
B44BMachines, apparatus or tools for artistic work, e.g. for sculpturing, guilloching, carving, branding, inlaying12%
B44FSpecial designs or pictures12%
G03HHolographic processes or apparatus12%
Y10TTechnical subjects covered by former us classification12%
B42DBooks8%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing8%
B41MPrinting, duplicating, marking, or copying processes4%
B44CProducing decorative effects4%
G01RMeasuring electric variables4%
PatentTitleYear
4,900,111'Embossed holograms formed on hard metal surfaces'19904,773,718'Holograms embossed into metal surfaces'19884,725,111'Holograms embossed into metal surfaces'19884,455,039'Encoded security document'19844,313,087'Apparatus for detecting electrically conductive coatings on documents'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to AMATO SALVATORE F D (1)· patent assignee history
1982Patents assigned to WEITZEN EDWARD H (1)· patent assignee history
1982–1990Based in Lawrence, NY, US· patent location history
1984Patents assigned to COULTER SYSTEMS CORP (1)· patent assignee history
1988–1990Patents assigned to AMERICAN BANK NOTE HOLOGRAPHIC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN BANK NOTE HOLOGRAPHIC | 3 | 1988–1990 |
| AMATO SALVATORE F D | 1 | 1982 |
| COULTER SYSTEMS CORP | 1 | 1984 |
| WEITZEN EDWARD Hself | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lawrence, New York, US | 5 | 1982–1990 |