Inventor
Melvin R. Smith
Inventor
Muskegon, MI, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning100%
PatentTitleYear
3,939,518'Floor treatment machine'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to CLARKE GRAVELY CORP (1)· patent assignee history
1976Based in Muskegon, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARKE GRAVELY CORP | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Muskegon, MI, US | 1 | 1976 |