Keffer; Ron
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keffer; Ron.The latest application filed is for "multiple chamber septic tank with a plurality of large and small access ports".
- Keffer; Ron - Harrison City PA US
| Patent | Date |
|---|---|
| Multiple Chamber Septic Tank with a Plurality of Large and Small Access Ports App 20200024171 - Smith; John R. ; et al. | 2020-01-23 |
| Individual Septic Tank Unit App 20180155225 - Smith; John R. ; et al. | 2018-06-07 |
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