Inventor
Ronald L. Edwards
Inventor
Richmond, VA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation20%
A24BManufacture or preparation of tobacco for smoking or chewing10%
A24DCigars10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
B05BSpraying apparatus10%
B05CApparatus for applying fluent materials to surfaces, in general10%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents10%
B25CHand-held nailing or stapling tools10%
D21HPulp compositions10%
PatentTitleYear
5,997,691'Method and apparatus for applying a material to a web'19995,904,285'Nail transfer apparatus'19995,084,163'Automatically controlled splash plate'19924,983,308'Automatic chemical cleaning of granular medium filters'19914,475,562'Method and apparatus for separating tobacco mixture into lighter and heavier fractions'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1999Patents assigned to PHILIP MORRIS INC (2)· patent assignee history
1984–1999Based in Richmond, VA, US· patent location history
1991Patents assigned to ZIMPRO PASSAVANT INC (1)· patent assignee history
1991–1992Based in Wausau, WI, US· patent location history
1992Patents assigned to ZIMPRO ENVIRONMENTAL INC (1)· patent assignee history
1999Patents assigned to RAYCO IND INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIP MORRIS INC | 2 | 1984–1999 |
| RAYCO IND INC | 1 | 1999 |
| ZIMPRO ENVIRONMENTAL INC | 1 | 1992 |
| ZIMPRO PASSAVANT INC | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Virginia, US | 3 | 1984–1999 |
| Wausau, WI, US | 2 | 1991–1992 |