Inventor
Raymond L. Lawter
Inventor
Millersburg, OH, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
B41JTypewriters14%
B01DSeparation9%
E05BLocks5%
E05CBolts or fastening devices for wings, specially for doors or windows5%
G07GRegistering the receipt of cash, valuables, or tokens5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H01JElectric discharge tubes or discharge lamps5%
H05KPrinted circuits5%
PatentTitleYear
6,818,032'Dirt collecting system for a vacuum cleaner'20046,596,044'Dirt collecting system for a vacuum cleaner'20036,314,610'Vacuum cleaner bag housing assembly'20016,146,434'Cyclonic dirt cup assembly'20005,406,674'Resiliently cushioned activating means for power assist'19955,134,750'Cleaner with conversion valve arrangement'19924,811,579'Cash drawer release mechanism'19894,506,261'Integrated gas discharge display panel'19854,439,051'Single printing station, multiple record member feeding mechanism'19844,422,782'Record member feed and support mechanism'19834,308,795'Low energy impact printer'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1989Patents assigned to NCR CO (5)· patent assignee history
1982–1985Based in Zanesville, OH, US· patent location history
1989–2004Based in Millersburg, OH, US· patent location history
1992–2003Patents assigned to HOOVER CO (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOOVER CO | 5 | 1992–2003 |
| NCR CO | 5 | 1982–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Millersburg, OH, US | 7 | 1989–2004 |
| Zanesville, OH, US | 4 | 1982–1985 |