Inventor
Ronald E. Grewe
Inventor
Novi, MI, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Fprimary
G09FDisplaying35%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like12%
E04CStructural elements12%
E04FFinishing work on buildings, e.g. stairs, floors12%
Y10TTechnical subjects covered by former us classification12%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A47GHousehold or table equipment4%
PatentTitleYear
6,192,646'Round cladding system'20016,009,683'Round column cladding system'20005,938,365'Tubular frame with round corner members'19995,930,928'Front-loading poster frame device'19995,915,656'Modular floor stand'19995,881,528'Round column cladding system'19995,878,518'Sign stand with rolling base'19995,875,578'Sign stand with rolling base'19995,408,774'Countertop adjustable and changeable sign holder'19955,076,736'Corner assembly for display apparatus'19914,696,136'Simulated pipe construction'19874,691,892'Sign and sign stand'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2001Patents assigned to MARKETING DISPLAYS INC (9)· patent assignee history
1987–2001Based in Novi, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MARKETING DISPLAYS INC | 9 | 1987–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Novi, MI, US | 12 | 1987–2001 |