Per N Hedlund
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
- 15 Total Citation Count
- Jul 5, 1994 Most Recent Filing
- Oct 15, 1990 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| AB Ph. Nederman & Co. | 1
1 | 1990
1994 |
Inventor Addresses
| Address | Duration |
|---|---|
| Helsingborg, SE | Sep 01, 92 - Jan 09, 96 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B08B: | CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5482505 | 1996 | Arrangement for extraction of harmful gases from workplaces | 9 |
| D329081 | 1992 | Mobile electrostatic air filter for use in welding projects | 5 |
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