Backpack vacuum cleaner
US-9456722-B2 · Oct 4, 2016 · US
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Ritterling Douglas K — Fixed Constructions
Ritterling Douglas K holds 2 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Ritterling Douglas K |
| Technology | Fixed Constructions |
| Patents in slice | 2 |
| Recent patents in slice | 0 |
| First year | 2015 |
| Last year | 2016 |
Representative patents
Notable publications linking Ritterling Douglas K to Fixed Constructions.
Backpack vacuum cleaner
US-9456722-B2 · Oct 4, 2016 · US
Backpack vacuum cleaner
US-2015047146-A1 · Feb 19, 2015 · US
Backpack vacuum cleaner
US-2015047146-A1 · Feb 19, 2015 · US
Recent filings
Latest patents from Ritterling Douglas K in Fixed Constructions.
Backpack vacuum cleaner
US-9456722-B2 · Oct 4, 2016 · US
Backpack vacuum cleaner
US-9456722-B2 · Oct 4, 2016 · US
Backpack vacuum cleaner
US-2015047146-A1 · Feb 19, 2015 · US
Backpack vacuum cleaner
US-2015047146-A1 · Feb 19, 2015 · US
Related pages
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