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Inventor: Hofheins; Leonard L.
Address: concord, CA
No. of patents: 7
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D343478 |
Dental flossing tip |
January 18, 1994 |
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| D336606 |
Dispensing container |
June 22, 1993 |
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| D300300 |
Combined door handle and lock unit |
March 21, 1989 |
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| 6938927 |
Telescoping hand held pole |
September 6, 2005 |
| A telescoping, hand held pole includes telescoping pole segments releasably locked together by lock members. A lock release mechanism employed in the pole includes a manually engageable member which, when pushed, initiates unlocking of all of the lock members, allowing telescoping of all |
| 6651836 |
Hand-held plate for holding a beverage container and food |
November 25, 2003 |
| A hand-held plate for holding a beverage container and food includes flexible flaps which frictionally engage the outer peripheral surface of a beverage container to maintain the beverage container in stable condition relative to the plate. |
| 5279314 |
Electric dental flosser |
January 18, 1994 |
| A light electric dental flosser with a rechargeable battery compartment includes a motor casing, interchangeably individualized head units, and disposable plastic floss tips that snap mount within the hinged end of the head unit. The floss tips exhibit bidirectional flossing motion provi |
| 4837822 |
Cryptographic based electronic lock system and method of operation |
June 6, 1989 |
| The present invention relates to electronic locks and electronic locking systems, to electronic locking systems which use remotely encoded keycards and, in particular, to an electronic locking system which utilizes public key cryptography. |
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