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Alice Kahn
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| Number | Title | Issue Date |
| 4769859 | Sanitary closet with toilet seat protection cover The toilet seat is covered by a protective web of paper having succeeding openings which are congruent with the toilet seat opening. The protection web is transportable transversely over the toilet seat from a supply roll in a cartridge to a take-up roll ... | 09/13/1988 |
| 4760613 | Hygienic toilet seat assembly A hygienic toilet seat assembly where the toilet seat has the shape of a key ring with the overlapping placed at the rear region of the seat. A flat tubular protection cover is moved over the seat to protect it from being soiled and to protect the toilet ... | 08/02/1988 |