Inventor
Edward B. Stultz
Inventor
Richmond, VA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A24Cprimary
A24CMachines for making cigars or cigarettes36%
B23KSoldering or unsoldering36%
G01GWeighing7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G06GAnalogue computers7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
4,439,663'Method and system for laser perforation of sheet material'19844,410,785'Method and apparatus for perforation of sheet material by laser'19834,349,719'Apparatus for laser perforation of transported articles'19824,246,775'Porosity measuring apparatus and perforating system using same'19814,224,498'Apparatus for perforating articles by laser'19804,224,497'Method for making filter cigarettes using light energy to make perforations in the filter tipping wrap'19803,952,185'Standard deviation determining apparatus'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1984Patents assigned to PHILIP MORRIS INC (7)· patent assignee history
1976Based in Chesterfield, VA, US· patent location history
1980–1984Based in Richmond, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIP MORRIS INC | 7 | 1976–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Virginia, US | 6 | 1980–1984 |
| Chesterfield, Virginia, US | 1 | 1976 |