Inventor
David K. Walz
Inventor
Stone Mountain, GA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOCD1primary
LOCD121%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
A61LMethods or apparatus for sterilising materials or objects in general11%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%
A45DHairdressing or shaving equipment5%
B01DSeparation5%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere5%
G01RMeasuring electric variables5%
H02JElectric power networks5%
LOC285%
PatentTitleYear
D0485642'Hair treatment dispenser'20046,244,475'Hair treatment dispensing container'20015,898,387'Modular meter based utility gateway enclosure'19995,848,598'Hair treatment dispensing container'1998D0347593'Automatic power outage dialer unit housing'1994D0347594'Automatic power outage dialer unit housing'19945,133,858'Reverse osmosis water purification apparatus'1992D0306902'Odor control product dispenser cabinet'1990D0306569'Vehicle top'19904,865,816'Disposable odor control product container'19894,840,770'Odor control product dispenser'19894,565,343'Terminal elevating mechanism'1986D0257252'Tape recorder'1980D0250532'Dictation station or the like'1978D0249038'Dictating machine'1978D0248853'Transcriber'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1980Patents assigned to LANIER BUSINESS PROD INC (2)· patent assignee history
1978–1980Patents assigned to OLYMPUS OPTICAL CO (2)· patent assignee history
1978–2004Based in Stone Mountain, GA, US· patent location history
1978–1980Based in Atlanta, GA, US· patent location history
1986Patents assigned to BURROUGHS CORP (1)· patent assignee history
1989–1990Patents assigned to SECO IND INC (3)· patent assignee history
1994–1999Patents assigned to SCIENTIFIC ATLANTA (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCIENTIFIC ATLANTA | 3 | 1994–1999 |
| SECO IND INC | 3 | 1989–1990 |
| LANIER BUSINESS PROD INC | 2 | 1978–1980 |
| OLYMPUS OPTICAL CO | 2 | 1978–1980 |
| BURROUGHS CORP | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stone Mountain, Georgia, US | 13 | 1978–2004 |
| Atlanta, Georgia, US | 3 | 1978–1980 |