MacFarland; Charles H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for MacFarland; Charles H..The latest application filed is for "vacuum cleaner filter bag assembly".
- MacFarland; Charles H. - Rocky River OH
- MacFarland; Charles H. - Cleveland OH
| Patent | Date |
|---|---|
| Vacuum cleaner filter bag assembly Grant 4,084,948 - MacFarland April 18, 1 | 1978-04-18 |
| Double insulated vacuum cleaner motor housing Grant 3,875,436 - MacFarland April 1, 1 | 1975-04-01 |
| Filter Bag Cleaning Means Grant 3,797,064 - MacFarland March 19, 1 | 1974-03-19 |
| Drive Means For Vacuum Cleaner Grant 3,790,987 - MacFarland February 12, 1 | 1974-02-12 |
| Vacuum Intake Safety Means Grant 3,781,941 - MacFarland January 1, 1 | 1974-01-01 |
| Hand Held Vibrator With Flexible Drive Shaft Grant 3,735,757 - MacFarland May 29, 1 | 1973-05-29 |
| Indicating Means For A Belt Lifter Grant 3,646,632 - MacFarland March 7, 1 | 1972-03-07 |
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