Hillar Kassfeldt
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 44 Total Citation Count
- Jun 4, 1993 Most Recent Filing
- Apr 27, 1979 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SRA TECHNOLOGIES, INC. | 1
| 1993
|
| CLEVELAND WRECKING COMPANY | 1
| 1993
|
| CONTRACTING RESOURCES INTERNATIONAL, INC. | 1
| 1993
|
| COLOR CAVE, INC. | 1
| 1993
|
| O'BRIEN-KREITZBERG INC. | 1
| 1993
|
| RADIAN ACQUISITION CORP. | 1
| 1993
|
| RADIAN INTERNATONAL, LLC. | 1
| 1993
|
| AMAN ENVIRONMENTAL CONSTRUCTION, INC. | 1
| 1993
|
| DAMES & MOORE, INC. | 1
| 1993
|
| SIGNET TESTING LABORATORIES, INC. | 1
| 1993
|
| DAMES & MOORE SERVICING COMPANY | 1
| 1993
|
| DAMES & MOORE VENTURES | 1
| 1993
|
| WALK, HAYDEL & ASSOCIATES | 1
| 1993
|
| DAMES & MOORE AMERICA, L.P. | 1
| 1993
|
| BOVAY, NORTHWEST, INC. | 1
| 1993
|
| DAMES & MOORE FOREIGN BRANCH OPERATIONS, INC. | 1
| 1993
|
| DAMES & MOORE GROUP | 1
| 1993
|
| DECISIONQUEST INC. | 1
| 1993
|
| DM INVESTORS, INC. | 1
| 1993
|
| Tridon Limited | 1
| 1979
|
| BRW/HAZELET & ERDAL OF MICHIGAN, INC. | 1
| 1993
|
| BRW/HAZELET & ERDAL OF OHIO, INC. | 1
| 1993
|
| BRW GROUP, INC. | 1
| 1993
|
| DQ SQUARED, INC. | 1
| 1993
|
| DAMES & MOORE GROUP (NY), INC. | 1
| 1993
|
| FOURTH DIMENSION INTERACTIVE, INC. | 1
| 1993
|
Inventor Addresses
| Address | Duration |
|---|---|
| Burlington, CA | Mar 24, 81 - Jun 21, 94 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G01N: | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES | 1 |
| H05B: | ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5321974 | 1994 | Method and device for determining rheological properties | 23 |
| 4258292 | 1981 | Flasher devices for lamps | 9 |
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