Inventor

Renzer R. Ritt, Sr.

Inventor
Richmond, VA, US

Overview

8→
Patents
1991–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A24Dprimary
A24DCigars27%
Y10TTechnical subjects covered by former us classification19%
A24CMachines for making cigars or cigarettes8%
A24FSmokers' requisites8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
H05BElectric heating8%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
B23PMetal-working not otherwise provided for4%
B26DCutting4%
B31BMaking containers of paper, cardboard or material worked in a manner analogous to paper4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1999Patents assigned to PHILIP MORRIS INC (8)· patent assignee history
1991–1999Based in Richmond, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIP MORRIS INC81991–1999
Locations
LocationPatentsSpan
Richmond, Virginia, US81991–1999